In the diagram of a polymer above , the repeating subunits are known as A) amino acids

B) polysaccharides

C) nucleotides

D) fatty acids

C) nucleotides

Explanation:

This diagram is an image of a DNA strand. The monomer of DNA is a nucleotide and there are 9 in this image. Each nucleotide is distinguished by their nitrogenous base pairs. Every new pair represents a new nucleotide.

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the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.