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Bezzdna [24]
2 years ago
11

What is partially responsible for descent with

Biology
1 answer:
Vikki [24]2 years ago
8 0

Answer: random mutations

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Hydrothermal vents are often rich in metals, such as copper, and also host dense populations of marine organisms. Which of the f
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The answer is copper. Nonrenewable resources are those that cannot be readily/naturally replaced at rates that match those of consumption (an aspect that allow renewable resources to be sustainable). Copper are made deep in earth at very slow rates hence do not readily renew themselves. Organisms, on the other hand die, and are naturally replaced by offspring.

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What is one way scientists get information about the evolutionary history of species?
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Arrange the order of events for the internalization of LDL particles into cells:
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The correct answer is "5-1-3-2-4".

Explanation:

Internalization of LDL particles into cells, is needed to form the intracellular vesicles known as endosomes. The order of events that allow for this process are:

5) LDL receptors migrate to the cell surface and cluster in clathrin-coated pits. Clathrin acts directing the receptors to the cell membrane region where endosomes are formed.

1) A combination of cholesterol and apolipoprotein binds to LDL receptors and becomes internalized as endocytotic vesicles. Once the receptors are in the proper cell membrane region, cholesterol and apolipoprotein are bound and internalized.

3) Several endocytotic vesicles fuse to form an endosome.

2) The environment of the endosome becomes acidic, which causes the LDL to dissociate from its receptor; additionally, the endosome fuses with a lysosome. LDL should be dissociated from its receptor since it is going to be degraded in the following step.

4) The LDL particle is degraded by the lysosome. This takes place after endocytosis, when LDL particles are transported into lysosomes once they are fused, cleaving the cholesterol esters into cholesterol and fatty acids.

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3 years ago
During cellular respiration, chemical energy is converted to cellular energy.
Vladimir [108]

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False, chemical energy is not transfered or converted into cellular energy

Explanation:

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What is your definition of the word biochemistry
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the branch of science concerned with the chemical and physicochemical processes and substances that occur within living organisms.

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