Answer:It allows beetles to escape from predators.
Explanation:
which birth control method involves the cutting of sperm tubes or the oviduct?
the surgical method carried out in males is called ( Vasectomy) = cutting of sperm tube
in female it is ( tubectomy)
cutting of oviduct
The diagrams show what happens to the shape of a plant cell place in distilled water. Explain why the cell swells and becomes turgid. Name the process involved.
Answer:
the name of the process should be osmosis
Explanation: Reason being that plant cells are hypertonic because they have a cell sap so when they are pout in distilled water which is a hypotonic solution, it then absorbs water by osmosis and swells up and become turgid. But they do not burst because they have a cell wall that develops a wall pressure that balances the turgor pressure exerted by turgid cells
help pls!
“How might an energy requirement affect an individual who has a cancerous tumour?”
Answer:
Cellular respiration describes the series of steps that cells use to break down sugar and other chemicals to get the energy we need to function. Energy is stored in the bonds of glucose (like a stretched rubber band), and when glucose is broken down, much of that energy is released. Some of it is captured in a form that can be used to do work in cells - a molecule called adenosine triphosphate or ATP. The energy that is not captured in ATP is usually given off as heat (one of the things that helps us maintain our normal body temperature).
Will mark Branliest if correct. (I think B, but I am not sure. It doesn't seem to be D.)
What makes mitochondrial DNA useful as a molecular clock? (2 points)
It is only found in select organisms, making it easier to compare relationships between species that have it.
A large portion of the DNA ring is not vital to structure or function, allowing it to accumulate neutral mutations.
Its rate of mutation increases over time as organisms continue to evolve and differentiate from each other.
A slow mutation rate makes it useful for determining evolutionary relationships between ancient species.
Answer:
Mitochondrial DNA is useful as a molecular clock because it displays uniparental inheritance
What is the term used for secretions of endocrine glands responsible for changes taking place in the body?
Answer:
Hormones
Explanation:
Hormones is the term used for chemical secretion of endocrine glands responsible for changes taking in the body.
A typical virus is made up of 2 parts. Check all that apply.
A) Golgi Body
B) Nuclear envelope
C) Nucleic Acid
D) Capsid
Answer:
C) Nucleic Acid
D) Capsid
Explanation:
A virus is structure that is dependent on a living host to replicate itself. Viruses are majorly pathogenic in nature and have a structure that is made up of two parts namely: nucleic acid and capsid.
The nucleic acid, which can either be RNA or DNA holds the genetic information of the virus while the capsid is a protein coat that enclosed and protects the virus' genetic material. The capsid is also used during the infection life cycle of a virus where it helps the virus to attach to receptor cells on the host's cell membrane.
What is the function of erythrocytes?
What is the term for all the components of the blood?
What is blood?
Answer:
1. The main physiological role of red blood cells (RBCs), or erythrocytes is to transport of gases (O2, CO2) from the lung to the tissues and to maintain systemic acid/base equilibria. In addition, RBCs are well equipped with antioxidant systems, which essentially contribute to their function and integrity.
2. In humans, it includes plasma (the liquid portion), blood cells (which come in both red and white varieties), and cell fragments called platelets. Plasma is the main component of blood and consists mostly of water, with proteins, ions, nutrients, and wastes mixed in.
3.Blood is a body fluid in humans and other animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells.
hope it will help usuppose you find a paper clip stuck to a magnet you pull off the paper clip and move it to a short distance away from the magnet what happened to the magnetic Force between the magnet and the paper clip A. it disappears B. it gets stronger C. it gets weaker D.it stays the same
Answer: C
Explanation: it gets weaker because there not as close together
a _____________ is the of a chromosome pair that attaches to a fiber stretching across the cell during cell division.
Answer:
ahhahhhhhhbbhhhhhhbabababababab
centromere
i think.
.........
Which statement best describes an autotroph?
Answer:
B Autotrophs make their own food because they are producers.
Explanation:
which 3 statements of these are true? ( I put a picture attached to this ) please help I will give brainliest if correct
Answer:
The name of the element is carbon, there are 6 protons, and nitrogen has a smaller atomic number.
Explanation:
The atomic number of carbon is 6, not 12.
The atomic mass of carbon is 12.01g, not 12.
It does have six protons, it has a larger atomic number (6) than nitrogen (5) and it is called carbon.
2. Image formed by a plane mirror is
(a) virtual and erect
(b) real and erect
(c) virtual and inverted
Answer:
a) virtual and erect
Plane mirrors are the only type of mirror for which a real object always produces an image
Why is it possible that two ecosystems with identical conditions of temperature and precipitation, could support different plants?
Answer:
Because even if they are similar, they still have a difference between them, and that difference helps other plants.
It is possible because plants require other factors like sunlight and soil nutrients) other than Temperature and precipitation to grow
Plants require some Important factors for its growth and development and they are :
Temperature precipitation Sunlight soil nutrients type of soilThe two ecosystems with identical conditions of Temperature and precipitation might have differences in the amount of sunlight they receive and the Nutrients contained in its soil. therefore the ecosystems although similar can support different plants based on the difference in the amount of sunlight and Nutrients contained in the soil.
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An ocean basin is
A. The layer of the ocean closest to the surface
B. A part of earth’s surface covered by ocean water
C. A continuous body of water that covers 70%of earth
D. A deep trench along the floor of the ocean
Answer: A
Explanation:
An oceanic basin is the land surface under an ocean that includes the various topography below the water. This includes the continental shelf, abyssal plain, mid-ocean ridge and other formations that may exist on the seafloor.
What elements are needed to carry out photosynthesis? Select all that apply.\
Answer: carbon dioxide, water, and sunlight.
Explanation:
Consider this claim: changes in the environmental conditions always result in new ecosystems and lost of biodiversity charactera.
Answer:
Yes.
Explanation:
Yes, changes in the environmental conditions of a specific region result in formation of new ecosystems as well as the lost of old biodiversity occur because the organisms of that old ecosystem can't tolerate the change that occurs in the environment so they become extinct or migrated to another suitable place and only those organisms begins to live which can survive in that environmental conditions.
Which statement best describes how the carbon cycle and oxygen cycle are interrelated?
Plants release water during transpiration and carbon dioxide during photosynthesis
Plants use carbon dioxide and release oxygen during photosynthesis
Animals release water during respiration and carbon dioxide during transpiration
Animals use carbon dioxide and release oxygen during respiration
Answer:
B: Plants use carbon dioxide and release oxygen during photosynthesis
Explanation:
Which of the following are reasons Earth's atmosphere makes conditions suitable for life? (multiple answers)
stops earthquakes
protects us from harmful radiation
traps heat
provides oxygen for breathing
Answer:
B and C I think
Explanation:
Those ones make the most sense in my opinion.
Drag the labels to the correct locations. The labels may be used more than once.
Imagine that a space shuttle carrying astronauts is launched from Earth to the International Space Station (ISS). As the shuttle travels toward the ISS, it will encounter different layers of Earth’s atmosphere.
helppppppppppppp Determine the change in temperature that the shuttle will experience while passing through each atmospheric layer.
temperature decreases with altitude
temperature increases with altitude
Answer:
Troposphere - temperature decreases with altitude
Stratosphere - temperature increases with altitude
Mesosphere - temperature decreases with altitude
Thermosphere - temperature increases with altitude
Here's a visual to to the changes in temperature as altitude increases:
how many layers are in earth atmosphere ?
The Earth’s atmosphere is layered and each layer of the atmosphere has its own specific traits. The atmosphere of Earth is divided into four layers as Troposphere, Stratosphere, Mesosphere and Thermosphere
Generally, temperatures decrease with increasing height because the atmosphere distributes itself according to gravity. In the troposphere, the temperature generally decreases with altitude. The reason is the troposphere's gases absorb very little of the incoming solar radiation.
Troposphere - temperature decreases with altitude
Mesosphere - temperature decreases with altitude
The temperature increases with increasing altitude in the stratosphere because there’s a high concentration of ozone molecules.
Stratosphere - temperature increases with altitude
Thermosphere - temperature increases with altitude
to learn more about earths atmosphere
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Newton's first law of motion states that an objects motion remains the same unless a force acts upon it. What would be an example of this law in action? *
A good example would be a ball rolling along a flat surface. Since the ball is circular it will roll for a while but will stop after some distance. The force that caused this ball to stop is called friction. There are other things like air resistence but that is still considered friction. If you don't understand anything, please don't hesitate to ask.
For Example the net force for the box of frozen burritos would be zero if the rightward force was 45 Newtons and the leftward force was 45 Newtons. If the burrito box started moving at a constant speed before the forces were applied, it would either continue to move or remain at rest. If it was already at rest before the forces were applied, it would remain at rest.
What is the first law of motion ?
The first law of motion : Unless acted upon by a net external force, an object at rest remains at rest or moves at a constant velocity when in motion.An external force is one that comes from outside an object rather than one that comes from within an object. An external force on the moon is, for instance, the gravitational pull of Earth on the moon. However, the moon's internal force is the gravitational pull that the moon's inner core exerts on its outer crust. An object's overall motion cannot be altered by its own internal forces.Inertia refers to a body's ability to remain stationary or in motion at a constant speed. The "law of inertia" is a common name for Newton's first law. Experience has taught us that some things have more inertia than others. It is evidently more challenging to alter a basketball's motion than a large boulder's is.The mass of an object is used to determine its inertia. By measuring an object's acceleration difficulty, mass can be determined. Accelerating an object becomes more difficult the more mass it possesses.To know more about first law of motion check this:
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Which of these processes do not occur as a part of the cell cycle in the animal cells
I’ll mark brainliest!
Answer:
B
Explanation:
Elephants shape their environment in many ways. They can change a forest to a grassy field or dig a hole that might become a pond. They clear large amounts of vegetation, which removes habitats for some organisms but makes the area inviting for other organisms. Which best describes possible interactions of elephants with the surrounding ecosystem?
positive
negative
neither positive nor negative
both positive and negative
Answer:
☁︎both positive and negative. for making ponds for other animals to live in but clearing large amounts of vegetation☁︎
Based on their activities, it can be concluded that Elephants have both positive and negative effects on their environment.
What is a Habitat?A habitat is refers to a place where a living organism is found.
The activities of an organism affects the habitat of that organism.
What is the impact of Elephants on their habitat?Elephants shape their environment in many ways, both positive and negative.
They can negatively impact their environment by changing a forest to a grassy field.
They can positively impact their habitats by creating new habitats from existing habitat such as by digging a hole that might become a pond.
Therefore, it can be concluded that Elephants have both positive and negative effects on their environment.
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How did humans change the
environment?
Answer:
Humans changed the environment by: overpopulation, pollution, burning fossil fuels, and deforestation.
Explanation:
Answer:
Explanation:
Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
d) Based on your above answers, do all substitutions cause a change in the amino acid sequence of a
protein? Explain
Answer:
No, they do not all cause a change in amino acid sequence of a protein.
Explanation:
Substitution mutation is the type of mutation that results when the nucleotide base of a gene is replaced by another base in the sequence. A substitution mutation can result into three different types of mutation namely; silent mutation, missense mutation, and nonsense mutation.
- In silent mutation, the nucleotide base that gets replaced by another still forms a codon that encodes the same amino acid as in the original sequence. e.g if guanine replaces adenine in the sequence, TTA to form a mutated sequence, TTG. This mutated codon (TTG) still encodes LEUCINE amino acid just as TTA does. Hence, there is no effect on the resulting amino acid sequence. This portrays that NOT ALL SUBSTITUTIONS cause a change in amino acid sequence of a protein.
What is the normal pathway a cell uses to make and release proteins?
ribosome -> ER -> Golgi -> released
lysosome -> Golgi -> ER -> released
ribosome -> Golgi -> ER -> released
ribosome ->lysosome -> ER -> released
Answer:
ribosome -> ER -> Golgi -> released
Explanation:
Ribosomes are where proteins are created, ribosomes are located on the rough endoplasmic reticulum (RER). From the ER, proteins will be transported to the Golgi Complex for packaging, transport, and release. The answers with lysosome can be ignored because lysosomes break down waste materials of the cell. Therefore the answer is ribosome -> ER -> Golgi -> released.
A pine tree is a conifer. What type of plant is a conifer?
an
angiosperm
a gymnosperm
Answer: A subset of Gymnosperms
Explanation: They are cone-bearing seed plants
Cell respiration occurs in
heterotrophs only.
all eukaryotes.
animals only.
only.
Answer:
Cell respiration occurs in all eukaryotes
Pls help quick plzzzzzzzz
1. Flowers must rely on vectors to move pollen. These vectors can include wind, water, birds, insects, butterflies, bats, and other animals that visit flowers. We call animals or insects that transfer pollen from plant to plant “pollinators”.
2. Germination:When a seed falls on the ground, it needs warmth and water in order to germinate; some seeds also need light. Dicots have seed coats that soften with moisture. After being planted in the soil for a few days, the seed absorbs water and swells until the seed coat splits.
A baker activates yeast cells with hot water, and adds sugar as their source of food. As the yeast begin their metabolic processes, the bowl it is in is covered with plastic so that no oxygen can get to them. At this point, the yeast will __ *
1 point
a. produce far more ATP than is necessary in response to the lack of oxygen
b. continue to go through aerobic respiration if enough sugar is present
c. die since all living organisms need oxygen to survive.
d. perform anaerobic respiration in the absence of oxygen
Answer:
The correct answer would be - option D. perform anaerobic respiration in the absence of oxygen.
Explanation:
Yeast is a facultative anaerobic single-cell organism that can live without oxygen. If yeast cells did not get the oxygen they use anaerobic respiration to get the energy.
If the baker activates these cells and stops them to get oxygen the yeast cells have to switch to anaerobic respiration to survive and produces ethanol and releases carbon dioxide.