The answer is <span>A. all refer to the synthesis of macromolecules.
Let's go through all choices:
</span><span>A. all refer to the synthesis of macromolecules. - CORRECT - DNA, RNA, and proteins are macromolecules. Replication refers to DNA synthesis, transcription refers to the RNA synthesis, and translation refers to protein synthesis.
B. - INCORRECT - because of the word <em>respectively</em>. It would mean that replication refers to RNA synthesis and transcription refers to the DNA synthesis which is not true.
C. - INCORRECT - none of those molecules requires polysaccharides synthesis.
D. - INCORRECT - exergonic reactions involve releasing of energy while mentioned processes use energy.
E. - INCORRECT - nucleotides are building blocks only for DNA and RNA. Building blocks of proteins are amino acids.</span>
Answer:
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