Why must an mRNA copy be made for Protein Synthesis?
Understand the Problem
The question is asking why mRNA must be synthesized for the process of protein synthesis, specifically looking for the reasoning behind the necessity of mRNA in relation to DNA and ribosomes.
Answer
Ribosomes cannot read DNA, only RNA.
The final answer is D. Ribosomes cannot read DNA, only RNA.
Answer for screen readers
The final answer is D. Ribosomes cannot read DNA, only RNA.
More Information
mRNA is necessary for protein synthesis because ribosomes, where protein synthesis occurs, can only read and interpret messenger RNA, not DNA directly.
Tips
A common mistake is thinking DNA itself can be used for protein synthesis; however, DNA needs to be transcribed into mRNA first.
Sources
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