Answer:
Explanation:
Analogy refers to traits or structures like body shapes, fins which evolved independently that are similar in organisms that are not related by the same common ancestor. For example dolphins and shark have similar body structures like fins but they are unrelated. Whale and shark too. Whales are mammals, sharks are fish.
Homology refers to traits or structures
posses by organisms that are related by common ancestors. Example wolf and whales.....they are both mammals.
where is the cell located in the human body?
i just wanna make sure.... :)
Answer:
Cell are everywhere. your body is made up of cells.
Explanation:
this picture shows what kind of mutation
Answer:
where is it?
Explanation:
what is the difference between anaerobic and aerobic respiration??
Aerobic respiration takes place in the mitochondria and requires oxygen and glucose, and produces carbon dioxide, water, and energy. ... Anaerobic respiration also produces energy and uses glucose, but it produces less energy and does not require oxygen.
Multicellular fungi have a _______ stage and a reproductive stage of their lives.
Answer:
member stage and a reproductive stage of lives
Answer:
Vegetative
Explanation:
Which sentence tells why the Sun looks bigger and brighter from Earth than the other stars?
the sun is the hottest star
the sun gives off the most light
the sun can only be seen in the day
the sun is only star in our solar system
Answer: None of these are the right answer
Explanation: The Sun is bigger and brighter because it is closer than other stars
ice floats on water because ice is less dense than water, how is this helpful to fish tnat live in a lake
A chimpanzee pushes a brown box on a wood floor. Then he uses the same force to push a blue box on the carpet. The boxes are identical except for color. Which box will move farther?
It's impossible to know
the blue box
the brown box
They will both move the same distance.
Critical thinking
How could bringing just a few individuals of an organism to a new
ecosystem cause big changes to that ecosystem?
The organism could effect
Food chainAmount of resourcesinteraction between the communityWhat is food chain ?
A food chain describes how energy and nutrients move through an ecosystem. At the basic level there are plants that produce the energy, then it moves up to higher-level organisms like herbivores.
What is interaction in community ?
An ecological community consists of all the populations of all the different species that live together in a particular area. Interactions between different species in a community are called interspecific interactions—inter- means "between."
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age of the Earth, and
are a common Index
3. Index fossils help determine the
fossil used.
a. Relative; trilobites
b. Absolute; Pyrenean Ibex
C. Relative; Pyrenean Ibex
d. Absolute; trilobites
Help please
Answer:
The first thing I did not see you at least two of us play in part of the reason I have a feeling it was not the few ia
WILL AWARD BRAINLIEST PLEASE HELP IMPORTANT HELP IS NEEDED PLEASE PLEASE QUICK!!!
Answer:
while walking through a dragon layer the dragon layer what is there a line of birth of dragon parents being the only available at the moment green and
Explanation:
hope it helps to
Peptidoglycan is the material found in the bacterial____
that forms a molecular basis of the Gram stain.
_organelles
_cell wall
_nucleus
Answer:
The Cell Wall of Bacteria
Bacteria are protected by a rigid cell wall composed of peptidoglycans.
LEARNING OBJECTIVES
Recall the characteristics of a bacterial cell wall
KEY TAKEAWAYS
Key Points
A cell wall is a layer located outside the cell membrane found in plants, fungi, bacteria, algae, and archaea.
A peptidoglycan cell wall composed of disaccharides and amino acids gives bacteria structural support.
The bacterial cell wall is often a target for antibiotic treatment.
Key Terms
binary fission: The process whereby a cell divides asexually to produce two daughter cells.
image
Bacterial Cell Wall: The anatomy of bacterial cell structure.
Bacterial cells lack a membrane bound nucleus. Their genetic material is naked within the cytoplasm. Ribosomes are their only type of organelle. The term “nucleoid” refers to the region of the cytoplasm where chromosomal DNA is located, usually a singular, circular chromosome. Bacteria are usually single-celled, except when they exist in colonies. These ancestral cells reproduce by means of binary fission, duplicating their genetic material and then essentially splitting to form two daughter cells identical to the parent. A wall located outside the cell membrane provides the cell support, and protection against mechanical stress or damage from osmotic rupture and lysis. The major component of the bacterial cell wall is peptidoglycan or murein. This rigid structure of peptidoglycan, specific only to prokaryotes, gives the cell shape and surrounds the cytoplasmic membrane. Peptidoglycan is a huge polymer of disaccharides (glycan) cross-linked by short chains of identical amino acids (peptides) monomers. The backbone of the peptidoglycan molecule is composed of two derivatives of glucose: N-acetylglucosamine (NAG) and N-acetlymuramic acid (NAM) with a pentapeptide coming off NAM and varying slightly among bacteria. The NAG and NAM strands are synthesized in the cytosol of the bacteria. They are connected by inter-peptide bridges. They are transported across the cytoplasmic membrane by a carrier molecule called bactoprenol. From the peptidoglycan inwards all bacterial cells are very similar. Going further out, the bacterial world divides into two major classes: Gram positive (Gram +) and Gram negative (Gram -). The cell wall provides important ligands for adherence and receptor sites for viruses or antibiotics.
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That is a big answer. ^ but yeah its cell wall.
Hemophilia became known as the "royal disease" due to it being
passed through the descendants of Queen Victoria and Prince
Albert of Great Britain and Ireland. When Prince Leopold was born,
he was the first member of the royal family to have the disease. He
was the 8th child born to Victoria and Albert. No one in the royal
family previously had the disease. Because members of royal
families are encouraged to marry others of royal blood, the disease
spread throughout the members of the noble families of Europe
and Russia.
A partial pedigree chart of the family is shown below.
Answer:
sexually transmitted disease
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How many sperm cells are formed from an original cell in a Drosophila fruit fly at the conclusion of meiosis?
O A. two haploid sperm cells
O
B. two diploid sperm cells
O C. four haploid sperm cells
D. four diploid sperm cells
Answer:
Answer: Four sperm cells.
Explanation:
Explanation: Meiosis is is a cell division process that generates four haploid cells (gametes) from a single diploid germline cell.
In the drosophila fruit fly, four haploid sperm cells are produced from a single original parent cell. The germ cells undergo meiosis to form gametes. Thus, the correct option is C.
What is Meiosis?Meiosis is the reductional division through which four daughter cells are produced from a single parent cell. The gametes are produced from meiosis. The gametes produced from a diploid cell are haploid in the number of chromosomes in cells. Both male and female gametes undergo fertilization to form diploid zygote.
Meiosis is divided into two parts- Meiosis I and Meiosis II. Both the parts comprises of four phases- Prophase, Metaphase, Anaphase, and Telophase. The chromatids undergo crossing over with non-sister chromatids to form recombination in cells.
Therefore, the correct option is C.
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hydroponics is the science of growing terrestrial plants in
Answer:
laboratory
Explanation:
hydroponics is a solution of all mineral nutrition and vit which are responsible for grow of plants
there is no soil is need for this technique
it grow in the above solution in waters
what occurs when a device that runs off of electricity is turned on ?
If a device turned on then electrical currents flow through the device by which,
A magnetic field is created. Because all energy is released at once in static electricity.When a device that runs off of electricity is turned on, the flow of electrons is mediated through the process known as electric current.
What is Electricity?Electricity may be defined as a type of energy that typically results from the existence of charged particles like electrons or protons. It is a secondary source that commingles from the conversion of other sources of energy, like coal, natural gas, oil, nuclear power, etc.
This flow of electrons also induces the formation of magnetic fields which involves the liberation of energy at once in the form of immobile electricity. All this process is obviously mediated by an electric switch that is responsible for breaking or closing an electric circuit.
Therefore, when a device that runs off of electricity is turned on, the flow of electrons is mediated through the process known as electric current.
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To balance the equation, the coefficient for H2O should be:
Answer:
6 and the rest are all 2 to get into even numbers of H and still balance out the K
Explanation:
. What is one major difference between mitosis and meiosis?
a. In meiosis, homologous chromosomes are separated, while in mitosis, sister chromosomes are
separated.
b. In mitosis, homologous chromosomes are separated, while in meiosis, both homologous
chromosomes and sister chromosomes are separated.
c. There are two cellular divisions in mitosis while only one in meiosis.
d. Mitosis is divided into Mitosis 1 and Mitosis 2 and is sexual reproduction.
Which phrase best describes cellular respiration?
A- the process where there is a movement of water across a membrane
B-the physical division of the cell's cytoplasm
C-the process that cells use to obtain energy from food
D- the process where there is a movement of molecules to balance out their distribution
10. Which of the following is NOT a function of a protein?
a. Providing Defense
b. Transporting Materials
c. Production of skin cells
d. Driving Cellular reactions
Answer:
d) driving cellular reaction
Explanation:
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can someone find me some specific facts about uranus(planet) plz dont make jokes i really need help
Answer:
Uranus is the coldest planet in the Solar System
Uranus is known as the “sideways planet” because it rotates on its side.
A Season on Uranus lasts one long day – 42 years
You can see Uranus with the unaided eye, it is known as the morning star! really cool actually
Explanation:
Which of the following statements about cellular respiration is correct?
This process occurs mainly in chloroplasts.
Plants and animals use this process to produce ATP.
Oxygen is a by-product of this process.
Plants use this process to produce carbohydrates
Answer:
Plants and animals use this process to produce ATP.
Explanation:
the first one is wrong because cellular respiration occurs in almost every cell
the third one is wrong because byproduct of cellular respiration is water, not oxygen(oxygen is used in the reaction)
fourth is wrong because carbohydrates are produced by photosynthesis
second option is right because cellular respiration provides energy(ATP) for cells to use(in order to perform lots of processes)
You are at home and have 4 friends over, when you get a tsunami warning. They all talk about what they should do.
Mario says, “We should quickly drive to the beach to see it!”
Luigi says, “We should take shelter in the basement!”
Ryu says, “We should go to a higher floor, and shelter there!”
Lara says, “We should get to higher ground and far from the beach.”
Who has the best advice, and what is the problem with the other suggestions?
What is the correct term for a leaf attached by a thin stem to its parent plant?
sessile
petiolated
etiolated
pronate
what causes depersonalization of a nueron membrain potential?
Answer is, This voltage is called the resting membrane potential; it is caused by differences in the concentrations of ions inside and outside the cell. If the membrane were equally permeable to all ions, each type of ion would flow across the membrane and the system would reach equilibrium.
& Milk wood plants are essential for monarch butterfly survival. The butterflies drink the nectar from milkweed
flowers. The female monarchs lay their eggs only on milkweed plants, and the monarch caterpillars rely on the
milleweed plant as its primary food source. Milkweed produces a poisonous toxin that the caterpillars are able to
collect in specialized sacs, which in turn makes the caterpillars poisonous to predators. Milkweed plants are
pollinated by monarch butterflies as well as other insects. Which of the following best describes the resulting
daptations found in milkweed plants and monarch butterflies?
cevolution
cooperation © parasitism
mimicry
Answer:
Coevolution
Explanation:
There is a symbiotic relationship between them because the plants get pollinated and the butterflies get protection. Their relationship can also be described by the term mutualism.
Individual ants of the same species use pheromone trails to indicate the path to different food sources or back to their own colony. This is an example of
~growth and response
~genotype mutation
~inclusive fitness
~phenotypic plasticity
Newton's 2nd Law is Force = mass x acceleration. Imagine that you tried the game of bowling with a volleyball instead of a bowling ball. If you used the same force when rolling the ball, how would this affect the game? Use Newton's 2nd Law to help you answer.
Answer:
Explanantion:
HELP ASAP
What string of amino acids, or polypeptides, is
formed from the following hypothetical mRNA
strand? Use the amino acid abbreviations, and
link your amino acids together with a bond (-).
AUGAGCCGUGCAAACUGA
lab safety equipment alternatives
Answer:
Fume Hoods
Fume hoods provide a barrier between laboratory workers and hazardous chemicals or chemical processes. The key item of fume hoods to make it function well is its ability to exhaust vapor/gas at a certain flow rate.
Flammable Liquid Storage Cabinets
Fire hazard from flammable liquid shall be adequately controlled, including by using storage cabinets. Always store the flammable liquid inside the storage cabinet.
Fire Extinguishers
Provide appropriate fire extinguishers for the laboratory in adequate quantity. Place them in the right location for easy access, high visibility, and free from any obstacles.
Fire Blankets
A fire blanket is one of the most important fire extinguishing equipment. When you find a fire for the first time, use this fire blanket to diminish the fire as soon as possible before it grows bigger.
Safety Cans
You must use safety cans to store flammable liquid in the laboratory safely. It minimizes fire accidents and so protect laboratory workers from the fire hazards.
Safety Showers
When chemical splash occur, you have to immediately wash all of your work cloth and body with plenty of water. So, that’s why safety showers role are very important in case of such emergency condition.
Eyewash Stations
Even though you have already worn safety goggle, but it does not mean that your eyes are fully protected from chemical splash hazard.
The possibility still exists. Because of this reason, you need to make sure that an eyewash station is available in the laboratory.
Chemical Spill Kits
Chemical spill kits are required for handling hazardous chemical spills in the laboratory. The key is to provide the kits in enough quantity and place them on the appropriate location.
First Aid Kits
Make sure that the first aid kits is available in the laboratory and the content is complete. Inspect regularly the content and immediately add first aid kits item if already used up.
Personal Protective Equipment
You must provide all basic personal protective equipment for every lab analyst; lab coat, apron, eye goggles, nitrile gloves, and face shield.
Explanation:
Which of the following statements about cellular respiration is correct?
This process occurs mainly in chloroplasts,
Plants and animals use this process to produce ATP,
Oxygen is a by-product of this process, or
Plants use this process to produce carbohydrates