Why must an mRNA copy be made for Protein Synthesis?
Understand the Problem
The question is asking why a copy of mRNA must be made for the process of protein synthesis. It is related to the role of DNA, ribosomes, and mRNA in cellular function.
Answer
D. 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 it serves as the messenger that conveys genetic information from the DNA inside the nucleus to the ribosomes, where proteins are synthesized. Ribosomes are unable to directly read DNA, necessitating the use of mRNA.
Tips
Commonly confusing ribosome function with that of proteins that interact directly with DNA. Know that ribosomes specifically work with mRNA.
Sources
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