THE STRUCTURE OF EUKARYOTIC CHROMOSOMES 5.2.a Contrast prokaryotic and eukaryotic chromosomes in terms of structure and specialized sequence elements. 5.2.b Describe how human chromosomes can be distinguished from one another and how such information can be of value. 5.2.c Recall how many molecules of DNA are in each eukaryotic chromosome. 5.2.d Describe a full complement of human chromosomes in a diploid somatic cell, including sex chromosomes. 5.2.e Define the terms "gene" and "genome." 5.2.f Describe the relationship among gene number, genome size, and organismal complexity. 5.2.9 Explain why much "junk DNA" is thought to serve a biological function. 5.2.h Compare the roles played by centromeres, telomeres, and replication origins.

Answers

Answer 1

5.2 a Eukaryotic chromosome is located within nucleus, nucleus is membrane bound, chromosomes are linear and multiple, histone proteins are present.

Prokaryotic chromosome are present in nucleoid, not enclosed by membrane, chromosome is single small and circular. Nucleoid associated proteins present.

5.2 b  Different chromosomes contain different set of genes so can be distinguished by the protein they code for. Knowing the chromosome encoding required gene...or protein the gene can be sequenced and used for cloning or in recombinant technology.

5.2 c each chromosome is a single molecule of DNA.

5.2 d There are 22 homologous pair and two sex chromosomes (X and Y chromosomes ).

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Related Questions

[!] which type of neuron would exhibit the pattern of action potentials as seen above in response to a stimulus?

Answers

When exposed to a stimuli, tonic type neurons would respond with the pattern of action potentials seen above. As a neuron transfers information away from the cell body and down an axon, it experiences an action potential.

The action potential is sometimes referred to as a "spike" or a "impulse" by neuroscientists. A neuron's response to threshold or suprathreshold stimuli results in an action potential. Depolarization, overshoot, and repolarization are the three steps that make up this process.

A neuron's action potential is a fast, transient shift in membrane potential (electrical charge) brought on by the quick inflow of sodium and outflow of potassium. Neurons have the capacity to transmit impulses, react to stimuli (such as touch, sound, light, and so on), and interact with one another.

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Turbellaria flatworms can reproduce asexually by
a.
regeneration.
c.
producing polyps.
b.
forming larvae.
d.
exchanging both sperm and eggs.

Answers

Answer:

a. regenation

Explanation:

hope its hrlp

A cell has formed a food vacuole as it ingested a food particle. Which of the following events is associated with the breakdown of that food particle?
Digestion of the food particle occurs in a vesicle enclosed by a membrane that separates the digestion from the cytoplasm.

Answers

Digestion of the food particle occurs in a vesicle enclosed by a membrane that separates the digestion from the cytoplasm. The correct answer is (d) .

When a cell engulfs a food particle, it forms a food vacuole, also known as a phagosome. The food particle is then digested by enzymes within a vesicle called a lysosome, which fuses with the food vacuole to form a digestive vacuole. The lysosomal enzymes break down the food particle into smaller molecules that can be used by the cell for energy and other metabolic processes.

It's important to note that the digestion of the food particle occurs within a vesicle enclosed by a membrane, which separates the process of digestion from the cytoplasm of the cell. This prevents the potentially harmful digestive enzymes from damaging the cell's own organelles and structures.

The cytoplasm of the cell contains a variety of organelles, including the mitochondria, which are responsible for producing ATP, the energy currency of the cell. The endoplasmic reticulum is involved in protein synthesis and lipid metabolism, but it is not directly involved in the digestion of food particles.

When a cell engulfs a food particle, it forms a food vacuole, also known as a phagosome. The food particle is then digested by enzymes within a vesicle called a lysosome, which fuses with the food vacuole to form a digestive vacuole. The lysosomal enzymes break down the food particle into smaller molecules that can be used by the cell for energy and other metabolic processes.

It's important to note that the digestion of the food particle occurs within a vesicle enclosed by a membrane, which separates the process of digestion from the cytoplasm of the cell. This prevents the potentially harmful digestive enzymes from damaging the cell's own organelles and structures.

The cytoplasm of the cell contains a variety of organelles, including the mitochondria, which are responsible for producing ATP, the energy currency of the cell. The endoplasmic reticulum is involved in protein synthesis and lipid metabolism, but it is not directly involved in the digestion of food particles.

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Full Question ;

A cell has formed a food vacuole as it ingested a food particle. Which of the following events is associated with the breakdown of that food particle? (a) Digestion of the food particle occurs in the cytoplasm of the cell. (b) Digestion of the food particle occurs in the mitochondria. (c) Digestion of the food particle occurs in the endoplasmic reticulum. (d) Digestion of the food particle occurs in a vesicle enclosed by a membrane that separates the digestion from the cytoplasm."

Which of the following has been used extensively in the assessment of explicit object-recognition deficits in monkeys?
A) radial arm maze
B) one-trial appetitive learning paradigm
C) non-delayed matching-to-sample task
D) delayed non-matching-to-sample task
E) Mumby box

Answers

D) Delayed non-matching-to-sample task has been used extensively in the assessment of explicit object-recognition deficits in monkeys.

What is explicit object-recognition deficits?

Explicit object recognition refers to the conscious recognition and identification of objects based on their physical features such as shape, color, size, and texture. Explicit memory involves the conscious recollection of past experiences, facts, and information. Explicit object recognition deficits refer to the inability to consciously recognize and identify objects, even though the sensory and perceptual systems may be functioning normally. This can occur due to damage or dysfunction in brain regions responsible for explicit memory, such as the hippocampus and prefrontal cortex.

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Does the amount of water given to seeds have an effect on the germination rate? Design a controlled experiment to answer this question.

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Seed Germination Influencing Factors: Water: A lack of water or an excess amount might hinder seed germination. Temperature: This has an impact on both the growth rate and the seed's metabolism. Oxygen: As seeds germinate, they breathe deeply and expel the energy necessary for their growth.

What is meant by Seed Germination?The formation of the seedling is the consequence of germination, which is often the growth of a plant contained within a seed. Moreover, it is the process of the seed's metabolic machinery being reactivated, which causes the radicle and plumule to emerge. A vascular plant's seed is a little bundle created in a fruit or cone as a result of the union of the male and female reproductive cells. All fully grown seeds contain an embryo, and the majority of plant species also have a food reserve stored inside the seed coat. Various plants produce varied amounts of empty seeds, which never germinate. Since they need particular internal or external cues to resume growing, dormant seeds are viable seeds that do not germinate.

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Why is the alignment of chromosomes at the center of the cell important


Answers

Answer: The alignment of chromosomes at the center of the cell, also known as the metaphase plate, is a critical step during cell division. Here are some reasons why:

Explanation: Ensuring equal distribution of genetic material: During cell division, the chromosomes need to be evenly distributed between the two daughter cells to ensure that each cell receives the correct number of chromosomes. When the chromosomes align at the metaphase plate, it allows the spindle fibers to attach to each chromatid and pull them apart in a coordinated manner, resulting in equal distribution of genetic material.

Facilitating proper spindle fiber attachment: The spindle fibers that attach to the chromosomes are crucial for separating the chromosomes and pulling them to opposite ends of the cell during cell division. When the chromosomes are aligned at the center of the cell, it ensures that the spindle fibers from both ends of the cell have equal access to each chromosome, facilitating proper attachment and segregation.

Regulating the cell cycle: The proper alignment of chromosomes at the metaphase plate is critical for the cell cycle checkpoint that ensures proper cell division. If there are any errors or abnormalities in chromosome alignment, it can trigger the cell to stop dividing and repair the mistakes before continuing with division. This checkpoint is important for preventing the formation of abnormal cells that can lead to genetic diseases or cancer.

In summary, the alignment of chromosomes at the center of the cell is important for ensuring proper distribution of genetic material, facilitating proper spindle fiber attachment, and regulating the cell cycle.

label the bone features (bone markings) of the rib articulating with a vertebra by clicking and dragging the label to the correct location.

Answers

Heads are the bone markings that make up ball-and-socket joints. From the femur or humerus's proximal end, these are the rounded bone projections. The head fits into the joint's socket on the appropriate bone.

The thoracic vertebrae all have construction (or bone stamping) found horizontally on each side, called the demi facets. The ribs articulate at the demi facets of the thoracic vertebrae. There will be a set of demi facets on each of the 12 thoracic vertebrae because they all connect to the ribs.

The trochlear notch on the ulna, the radial notch on the ulna, the suprasternal notch, and the mandibular notch are just a few examples. The curved portion of a bone that provides the rest of the bone with structural support is called the ramus. The superior/inferior pubic ramus and the mandible ramus are two examples.

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fill in the blank. this reaction releases___from the acrosome of the sperm cell, which then digest a path through the granulosa cells and the___

Answers

The reaction releases digestive enzymes from the acrosome of the sperm cell, which then digest a path through the granulosa cells and the zona pellucida.

The acrosome of a sperm cell secretes digestive enzymes including hyaluronidase and acrosin that dissolve the zona pellucida, the ovum's outer layer. As a result, the haploid nucleus in the sperm and the haploid nucleus in the ovum can merge.

An organ found on the front part of the sperm head is called an acrosome. Together with humans, it is found in many other mammals. The Golgi apparatus of the cell gives rise to the acrosome, a cap-like structure.

These enzymes disintegrate the zona pellucida, the ovum's outer membrane. This makes it easier for the sperm cell and ovum to fuse together. The digestive enzymes known as hyaluronidases help the body break down hyaluronic acid.

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Write a question that a population ecologist might ask about the photo below. Then, write a question that an ecosystem ecologist might ask. How are the questions different

Answers

Population ecologists will ask about the zebra population in the dam, while ecosystem ecologists will ask how giraffes and zebras tolerate the limited water in the dam.

Ecosystem Ecologist:

Ecosystem ecology is the in-depth study of the biotic (living) and abiotic (non-living) components of an ecosystem and their interactions within an ecosystem framework. The science that studies how ecosystems work and relates them to their building blocks such as chemicals, bedrock, soil, plants and animals.

Ecosystem ecology examines physical and biological structures and examines how these properties of the ecosystem interact. Ultimately, it helps us understand how to maintain high quality water and economically viable production of raw materials.

Ecosystem ecology is primarily concerned with functional processes, the ecological mechanisms that maintain the structures and services produced by ecosystems. These include primary productivity (biomass production), decomposition and trophic interactions.

Ecology of Populations, Communities, and Physiology provides insight into the many underlying biological mechanisms that affect ecosystems and the processes that support them. Energy flows and material cycles at the ecosystem level are often studied in ecosystem ecology, but in general this science is defined more by topic than by scale. Ecosystem ecology treats living organisms and abiotic reservoirs of energy and nutrients as an integrated system, which distinguishes it from related sciences such as biogeochemistry.

Biogeochemistry and hydrology focus on a variety of fundamental ecosystem processes such as biologically mediated chemical and nutrient cycles and physio-biological water cycles. Ecosystem ecology forms the mechanistic basis for regional or global processes ranging from landscape to regional hydrology, global biogeochemistry and earth system science.

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FILL IN THE BLANK. When the genetic material is in a loosely coiled form, _____ is able to direct the production of proteins through _____.

Answers

DNA; transcription. When DNA is able to control the transcription of cellular proteins during interphase. Each cell's nucleus contains chromosomes, which are structures that resemble threads and contain the DNA molecule.

Each chromosome is constructed from DNA that has been tightly wound around proteins called histones numerous times to support its structure. Chromatin, the term for the loosely wound-up DNA at this phase, is present. A cell spends the majority of its time, known as interphase, developing, duplicating its chromosomes, and preparing to divide. During the interphase, the cell engages in the usual processes as it gets ready to divide.

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describe the nitrogen cycle. make sure to mention the various stages and the terminologies involved.

Answers

The nitrogen cycle has five stages, each of which will be discussed separately: mineralization, nitrification, immobilization, and denitrification are all forms of fixation or volatilization.

The steps, which are not necessarily arranged in any particular order, fall into the following categories: ammonification, nitrification, denitrification, nitrogen fixation, nitrogen assimilation, and nitrogen fixation.

Nitrogen fixation, assimilation, ammonification, nitrification, denitrification, dissimilatory nitrate reduction to ammonia, anaerobic ammonia oxidation, and other processes comprise the seven stages of the nitrogen cycle.

nitrogen fixation is any natural or industrial process in which the relatively inert gas-free nitrogen (N2), which is abundant in the air, reacts chemically with other elements to form more reactive nitrogen compounds like ammonia, nitrates, or nitrites.

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classify the following characteristics based on which domain is described. labels may be used more than once.

Answers

The following characteristics can be classified according to the appropriate domain: Cognitive Domain: knowledge, comprehension, problem-solving, critical thinking, and creativity. Affective Domain: attitudes, values, beliefs, emotions, self-esteem. Psychomotor Domain: physical coordination, manual dexterity, physical fitness, motor skills



The Cognitive Domain deals with thinking and problem-solving, such as knowledge, comprehension, problem-solving, critical thinking, and creativity. It involves acquiring, processing, and understanding information. The Affective Domain includes attitudes, values, beliefs, emotions, and self-esteem. It is concerned with changing feelings and behaviors and includes an awareness of one's feelings and the ability to express them. The Psychomotor Domain covers physical coordination, manual dexterity, physical fitness, and motor skills. It is the ability to use one's body to perform various tasks. It is often used in physical education classes and in activities such as sports and dance.

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according to the synthetic theory of evolution, when evolutionary changes occur, there will also be changes in a species' .

Answers

If you want to find the answer go to jishka

Explanation:

Which two of the following sentences from the article include CENTRAL ideas of the article?

1. Observing, or noticing, your surroundings is at the core of science and engineering.

2. In order to understand how models relate to real life, we must use scale, which is the mathematical relationship between how things appear in a representation, and how they appear in real life.

3. These chunks have distinct names and help scientists study specific events or life forms from a particular period.

4. It helps them, and us, better understand our world.


A
1 and 2

B
1 and 3

C
2 and 4

D
3 and 4

Answers

Answer:

The two sentences that include central ideas of the article are:

Observing, or noticing, your surroundings is at the core of science and engineering.It helps them, and us, better understand our world.

Therefore, the correct answer is C, "2 and 4".

Answer: I think it’s A.

Explanation: not sure, thy seem central

1 - Outline the molecular mechanism for skeletal muscle contraction. At what point is ATP used and why

2 - How do change when a muscle contracts

Answers

An electrical signal called an action potential that travels down the motor neuron and releases the neurotransmitter acetylcholine (ACh) at the neuromuscular junction is what causes skeletal muscle contraction.

What causes the contraction of skeletal muscles?

The neuromuscular junction, or synapses between a motoneuron and a muscle fibre, is where skeletal muscle contraction starts. Transmission of action potentials to the motoneuron and subsequent depolarization results in the opening of voltage-gated calcium (Ca2+) channels of the presynaptic membrane.

What are the steps to describing the skeletal muscle cell's process of contraction?

contraction of skeletal muscles. (A) As calcium binds to troponin, the actin active site is revealed. (b) Actin is drawn to the myosin head, which then binds to actin at its actin-binding site to create the cross-bridge.

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Read the following statement.

There are many different ways scales can be used to help people understand the natural world.

Which sentence from the article provides the BEST support for the above statement?


A
But how do you observe and measure something that is larger than an entire planet?

B
Cartographers, or people who make maps, create map scales to help people understand the relationship between distances on maps and distances in the real world.

C
Usually, the scales are in the bottom corner of a paper map.

D
Similar to how scale can help us understand very large objects, scale can also be used to help us understand very small objects

Answers

D. Similar to how scale can help us understand very large objects, scale can also be used to help us understand very small objects.

What is a scale ?

In general, a scale is a tool or a system used to measure or compare things. Scales are used to quantify different attributes such as weight, length, time, temperature, and many others.

There are many types of scales that are used for different purposes, such as balance scales, digital scales, thermometers, rulers, and gauges. The choice of scale depends on the attribute being measured and the level of precision required.

Scales are used in many different fields, including science, engineering, medicine, and economics. They are essential for conducting experiments, manufacturing products, and analyzing data.

In the context of maps, a scale is used to show the relationship between the distances on the map and the actual distances in the real world. For example, a map with a scale of 1:50,000 means that one unit on the map represents 50,000 units in the real world.

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2. Draw on paper/computer and upload, graph the enzyme function with and without enzymes for the reaction:

A + B + energy  transition state  C + D



On the Y axis place Free Energy (increasing)

On the X axis place the Progress of reaction (reactants to poducts).



Answer the following questions and make the following additions to your graph.

Indicate the free energy of the reactants and the products (use horizontal lines).
Use letters a and b to indicate the energy of activation (EA) both with (a) and without (b) an enzyme. Are these values the same or different? Explain your answer choice.
Indicate the change in free energy (ΔG) of the reaction (use letter c). Is the reaction endergonic or exergonic? Explain your answer.

Answers

The free energy of the reactants and products would be indicated by horizontal lines on the graph. The reactants would be at a higher free energy level than the products, indicating that energy is released during the reaction.

What would the activation energy indicate?

The activation energy (EA) both with and without an enzyme would be indicated by vertical lines labeled as "a" and "b," respectively. These lines would show that the activation energy is lower with an enzyme, indicating that the enzyme facilitates the reaction and reduces the energy required for the reaction to occur. The value of EA with an enzyme is lower than without an enzyme.

The change in free energy (ΔG) of the reaction would be indicated by a line labeled as "c" connecting the reactants to the products. The value of ΔG would be negative, indicating that the reaction is exergonic, meaning that energy is released during the reaction. The graph would show that the reaction is exergonic, with a lower activation energy in the presence of an enzyme compared to without an enzyme.

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Long-term exposure of rocks to different environments results in weathering and decomposition and the production of soils and sediments.



In which climate will chemical weathering occur at a faster rate?

Group of answer choices

A.Chemical weathering occurs faster in cool, dry climates

B.Chemical weathering occurs faster in warm, humid climates

C.Chemical weathering occurs faster in cool, humid climates

D.Chemical weathering occurs faster in warm, dry climates

Answers

Answer:

B.Chemical weathering occurs faster in warm, humid climates

The correct answer is that chemical weathering occurs faster in warm, humid climates, which is option B, as the presence of heat and moisture promotes chemical reactions that break down the minerals in rocks, causing them to weather and decompose more quickly than in cool or dry climates.

What is chemical weathering?

Chemical weathering is the process by which the minerals in rocks break down and decompose due to chemical reactions. The rate of chemical weathering is affected by various factors, including the climate of the area where the rocks are located. The two main climatic factors that affect chemical weathering are temperature and moisture. Warm, humid climates tend to promote faster rates of chemical weathering because the presence of heat and moisture accelerates the chemical reactions that break down the minerals in rocks.

Hence, the correct answer is that chemical weathering occurs faster in warm, humid climates, which is option B, as the presence of heat and moisture promotes chemical reactions that break down the minerals in rocks, causing them to weather and decompose more quickly than in cool or dry climates.

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name 5 ways of controlling the spread of Hiv Aids

Answers

Answer:

Hiv stands for the acronym HUMAN IMMUNO DEFICIENCY VIRUS while aids stand for ACQUIRED IMMUNO DEFICIENCY SYNDROME.

Explanation:

How to control HIV aids

1: Use sterilized needles

2: Don’t share needles

3: Consider intimate activities that don’t involve the exchange of bodily fluids

4: You can use strategies such as abstinence (not having sex), never sharing needles, and using condoms the right way every time you have sex. You may also be able to take advantage of HIV prevention medicines such as pre-exposure prophylaxis (PrEP) and post-exposure prophylaxis (PEP).

What is a structural observation you can make to explain why the rumen does not rip or burst?​

Answers

Answer:

The rumen is a specialized compartment of the stomach found in ruminant animals such as cows, sheep, and goats. It is designed to handle the fermentation of cellulose and other complex carbohydrates through the activity of microorganisms. One structural observation that explains why the rumen does not rip or burst is its ability to stretch and accommodate large volumes of feed.

The rumen is a muscular sac that can expand and contract as needed to accommodate the incoming feed. The walls of the rumen are lined with folds of tissue called papillae, which increase the surface area available for nutrient absorption. The rumen also contains a complex network of muscles and nerves that allow it to move and mix the contents, ensuring that all parts of the feed are exposed to the microorganisms and digestive enzymes.

Additionally, the rumen is supported by the diaphragm and other surrounding organs, which help to prevent it from overexpanding or rupturing. The diaphragm is a sheet of muscle that separates the thoracic and abdominal cavities and provides support to the rumen as it expands.

Overall, the combination of muscularity, papillae, and support from surrounding structures enables the rumen to handle large volumes of feed without ripping or bursting.

select observations and inferences that charles darwin made in support of natural selection. multiple select question.

Answers

Answer:

There is competition among individuals for scarce resources, more people are born than can survive to reproduce, and natural selection can alter the characteristics of a population. Individuals are diverse and some variations are inherited. Some individuals survive due to inherited characteristics, making them more likely to reproduce.

Explanation:

Which do you consider more convincing evidence, dna or physical features? Why?

Answers

Answer: dna

Explanation:dna is what creates your physical

test binding of a transcription regulator on specific dna sequences, which of the following techniques could be used?

Answers

There are various techniques that can be used to test the binding of a transcription regulator on specific DNA sequences. These techniques are discussed below: Electrophoretic Mobility Shift Assay (EMSA): It is a technique that is used to analyze protein-DNA interactions. TThe correct option is (A).

In this technique, a DNA sequence that binds to a transcription factor of interest is labeled with a radioactive or fluorescent marker. The labeled DNA is mixed with the protein of interest and then electrophoresed. The protein-DNA complexes move more slowly than unbound DNA and can be visualized and quantified by autoradiography or fluorescence imaging. Surface Plasmon Resonance (SPR): This technique is used to study biomolecular interactions. SPR is based on detecting changes in the refractive index caused by the binding of molecules to a metal-coated sensor surface. The sensor surface contains ligands that specifically bind to the molecule of interest. When the molecule of interest binds to the ligands, the refractive index changes and is detected by a detector. Signal Amplification System (SAS): This is a technique that can be used to detect the binding of a transcription factor to DNA. It involves the amplification of the signal generated by the binding of a transcription factor to DNA. The signal is amplified by the binding of a secondary antibody to the primary antibody that is bound to the transcription factor. The secondary antibody is conjugated with an enzyme that catalyzes a reaction to produce a detectable signal.

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Note the full question is

which of the following techniques could be used? test binding of a transcription regulator on specific dna sequences.

A)  Electrophoretic Mobility Shift Assay (EMSA)

B) GC rich regions help anchor transcription factor binding

What is responsible for the high resolution of the electron
microscope?

Answers

Answer: The high resolution of EM images results from the use of electrons (which have very short wavelengths) as the source of the illuminating radiation. Electron microscopy is used in conjunction with a variety of ancillary techniques (e.g. thin sectioning, immuno-labeling, negative staining) to answer specific questions.

Explanation:

Using a pH meter, you find the pH of an unknown solution to be 12. How would you describe this solution? Group of answer choices weakly acidic strongly basic (alkaline) strongly acidic weakly basic (alkaline)

Answers

A pH of 12 would be strongly basic.

Answer:

A pH of 12 indicates a strongly basic (alkaline) solution.

What is the answer to this question?

Answers

Prokaryotes are metabolically diverse organisms. Prokaryotes live in all environments, no matter how extreme they may be.

When the summed total of postsynaptic potentials rises above threshold, creation of action potentials occurs
A) in the synaptic cleft.
B) in the dendrites.
C) at the trigger zone.
D) in the neuron nucleus.
E) in the neuroplasm.

Answers

When the summed total of postsynaptic potentials rises above the threshold, the creation of action potentials occurs in the trigger zone. Correct option is C.

Action potential is a brief electrical signal that is transmitted from one nerve cell to another in response to the stimulation of the cell. It propagates across a neuron's membrane, causing it to fire and transmit information down the axon. This leads to the release of neurotransmitters from the neuron into the synaptic cleft, which then transmits the signal to other neurons.

Action potential creation: When the summed total of postsynaptic potentials rises above the threshold, the creation of action potentials occurs at the trigger zone. At the trigger zone, the electrical signal generated by the postsynaptic potentials is transformed into an all-or-none action potential.

The threshold is the membrane potential required for an action potential to be created. When the threshold is reached, an action potential is generated and transmitted down the axon, causing the release of neurotransmitters into the synaptic cleft.

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for each of these two situations, calculate what the frequency of allele 1 would be for the next two generations, starting from p

Answers

The next two generations, starting from the p equation would be p2q.

For the first situation, the frequency of allele 1 can be calculated by multiplying the current frequency of allele 1, p, by the probability of passing on allele 1 to the next generation (1/2). Then, multiply that value by itself again to get the frequency of allele 1 in the second generation. This equation would be p2. For the second situation, the frequency of allele 1 would also be calculated by multiplying the current frequency of allele 1, p, by the probability of passing on allele 1 to the next generation (1/2). Then, multiply that value by the frequency of allele 2, q, for the second generation.

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match the protist with the way it moves.parameciumamoebaplasmodiumspirogyra

Answers

The match of protist with the structure/trait associated with it is,

Paramecium - c. cilia

Amoeba - b. pseudopodia

Plasmodium - a. parasite

Spirogyra - d. photosynthesis

A single-celled creature called Paramecium is a member of the ciliate class. It is distinguished by the presence of countless minute, ciliated structures, which are employed for both eating and moving about.

Another one-celled creature, the amoeba, is a member of the amoeboid family. By extending pseudopodia, which are momentary protrusions of the cell membrane and cytoplasm, it moves and eats.

Malaria is caused by a parasitic protist called Plasmodium. It has a complicated life cycle that includes both a human host and a mosquito vector. Plasmodium affects red blood cells during the human stage, which results in fever, anemia, and other symptoms.

Green algae known as spirogyra are frequently seen in watery environments. Its cells are long and filamentous and include chloroplasts, which are in charge of photosynthesis. Moreover, the ability to move is provided by the flagella, which are whip-like structures that help the cell advance.

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The question is -

Match the protist with the structure/trait associated with it.

Paramecium                   a. parasite

Amoeba                          b. pseudopodia

Plasmodium                    c. cilia

Spirogyra                        d. photosynthesis

                                        e. flagella

What type of organisms first move into an area after a primary disturbance?
A. Small animals that need shade to survive B. Plants that cannot live in severe conditions C. Organisms that reproduce quickly
D. Animals that prey on small animals​

Answers

Organisms that arrive first in a region following a disturbance are known as pioneer species.

What is pioneer species?Pioneer species are hardy species that are the first to colonise arid regions or previously biodiverse steady-state ecosystems that have been disturbed, such as by wildfire. Pioneer species are the first creatures to appear in areas of primary succession (usually lichens or mosses). They are the first species to exist. They must be hardy and powerful. The growth of a new community is succession.Fungi and lichen are the most prevalent pioneer species during initial succession on land. They create soil by dissolving rock's minerals, allowing later populations to settle the area. Pioneer species are those that enter a freshly formed environment initially. By their interactions, these species develop a basic beginning biological community.

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Find the frequency with the largest amplitude Find the frequency w for which the particular solution to the differential equation 2 d^2y/dt^2 + dy/dt+ 2y = e^iwt dt has the largest amplitude. You can assume a positive frequency w > 0. Probably the easiest way to do this is to find the particular solution in the form Ae^iwt and then minimize the modulus of the denominator of A over all frequencies w. W the major human health problem related to radon accumulation is The Austin folder contains two shapefiles showing dog off-leash areas as points and polygons. Both have coordinate problems. Describe the problem for each; then fix them and create a map showing both the points and the polygons with a backdrop of the major transportation arteries in Austin. (Hint: Open ArcMap and load arteries first, in order to be able to compare the other data sets against it.) capture the map. Solve the triangle MNO (find the measure of O and the lengths of sides MO and NO). (I need help finding both side measures and angle measure please and thank you what do you think might be causing the fluids in the lava lamp to move? Which of the following is the best illustration of an agency problem? (Assume the company is paying its employees travel expenses.)1.Ariel, the controller, travels to Zimbabwe, in southeast Africa, to visit the Victoria Falls with friends. While there, she talks to her friends about employment opportunities at the firm.2.Benjamin, the chief financial officer, travels to Mozambique to meet with the bank that is loaning the firm money to build a factory in Mozambique. While there, he tours Inhaca Island.3.Zachariah, the president, travels to the Western Cape to attend an international convention related to the company's line of business. While there, he goes on the Robben Island half-day tour.4.Eunice, the marketing director, travels to KwaZulu-Natal to attend a sales convention. While there, she visits the Drakensberg mountain range. 1.Dynamic constancy is a term used to describe homeostasis. Which of the following is NOT an example of dynamic constancy?A. The pancreas releasing insulin when blood glucose levels are significantly elevatedB. Sweating or shivering as you move from inside air-conditioned stores to outside on a hot, humid dayC. Adjusting the depth and rate of breathing if blood pH levels changeD. Administering IV fluids to a person who presents to the emergency room with dehydration What idea does Shakespeare introduce in this scene? A. That opposites can sometimes be the same B. That the weather in Scotland is usually very bad C. That the battle will be lost and many of the characters will die D. That the witches are evil and should not be trusted 1. A glass tube filled with water is at rest on a table. Rank the pressures at points Q, R, S, T, and U from largest to smallest. Explain your reasoning. 2. A U-shaped tube (height -0.5 meter) is partly filled with water, as shown at right. The right end of the tube is closed at the top, but the left end is open to the atmosphere. There is no air between the rubber stopper and the water surface on the right-hand side. a. Rank the pressures at points W, X, Y, and Z. Explain the reasoning you used to rank the pressures. b. Is the pressure at point Z greater than, less than or equal to atmospheric pressure? Explain. No A syringe is used to remove water from the left-hand side such that the level on the left drops to point W. (Note that the water level on the right side is not shown.) no Will the water level on the right-hand side stay at point Zor drop to a point below point Z? Explain. In a bacterial transcription unit, the role of the ?? is to form a recognition and binding site for RNA polymerase How does the word "leerily" affect the structure of the poem? soular Help me with this question please A factorial design is used to measure the relationship between exercise and creativity. Participants are divided into groups: sit, walk or dance. These groups are also divided into inside activity or outside activity. Finally, each group is also exposed to music (silence, classical, techno, and bluegrass). After exposure to these factors the participants are given a novel object and asked to come up with creative alternative uses for the object. Creativity is defined as number of unique uses for the object. Numerically, the experiment can be expressed as: What type of reaction makes a triglyceride from glycerol and fatty acids? ethics refer to sets of beliefs about right and wrong, good and bad. where do individual ethics stem from? check all that apply. group of answer choices the food you eat your culture where you currently live family the legal system social groups The overall aim of a _____ is to avoid seeking goals that are unrealistic, unprofitable, or unachievable.a. SWCT (Strategy, Weakness, Cost, and Technology) analysisb. SWOT (Strength, Weakness, Opportunities, and Threats) analysis CorrectCorrectc. CSF (Critical Success Factor) analysisd. BCF (Business Case Factor) analysis zoe and michael are discussing how to best measure intelligence. zoe says that while she acknowledges that traditional iq tests are useful, it is important to also include questions that measure how well people can adapt to new situations and their ability to create something new, along with how well people can apply their intelligence to everyday problems. michael disagrees and says that only traditional iq tests should be used because intelligence is one general trait, the g factor. zoe is an advocate for the theory, and michael is an advocate for the theory. For what value of x is the figure a rectangle? Please help The majority of water is reabsorbed by osmosis in the: A. nephron loop. B. distal convoluted tubule. C. collecting duct. D. proximal convoluted tubule. In order for the parallelogram to be arectangle, x = [?].Diagonal AC = 4x+68Diagonal BD = 6x + 8