Question

17. Replication, transcription, and translation

Answer 1

The answer is A. all refer to the synthesis of macromolecules.

Let's go through all choices:
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 respectively. 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.