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leva [86]
2 years ago
11

What is active transport?

Biology
1 answer:
Zielflug [23.3K]2 years ago
8 0

Answer:

the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.

Explanation:

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D

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Dna is made of chains of four smaller molecules called.
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DNA is made of chains of four smaller molecules called "Nucleotides".

Explanation:

A molecule consisting of a nitrogen-containing base (adenine, guanine, thymine, or cytosine) in DNA is known as a nucleotides.

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Tutt suggested that the peppered moths were an example of natural selection. He recognized that the camouflage of the light moth no longer worked in the dark forest. Dark moths live longer in a dark forest, so they had more time to breed. All living things respond to natural selection.

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