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son4ous [18]
3 years ago
15

DNA is made up of many smaller molecules called ___ .

Biology
1 answer:
Alika [10]3 years ago
8 0

Answer:

d

Explanation:

DNA is made of chemical "building blocks" called nucleotides that are linked together in a chain-like structure.

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When the sun reaches the end of  released into space, forming a life cycle, the expanded part will be Planetary nebula.

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What are the two major types of cells?
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3 years ago
What part of the body uses active transport to take up nutrients after concentration has reached equilibrium
jekas [21]

The villi of the small intestine use active transport to take up nutrients after concentration has reached equilibrium.

<h3>What is Active transport?</h3>

Active transport may be defined as the process that occurs against the concentration gradient and is mediated by carrier proteins. Metabolic energy is used to move ions or molecules against a concentration gradient.

During the process of digestion, the villi in the small intestine enthrall the soluble nutrients gradually. Over time, the concentration of nutrients in the villi acquires an equilibrium with the concentration in the gut. Until here, the nutrient uptake is carried by the process of passive diffusion.

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The complete question is as follows:

What part of the body uses active transport to take up nutrients after concentration has reached equilibrium?

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To learn more about Active transport, refer to the link:

brainly.com/question/18434867

#SPJ1

7 0
2 years ago
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