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Multiple Choice

What is the role of DNA in protein synthesis?

The main idea is that DNA contains the instructions to make proteins. Genes specify polypeptides, and through transcription the gene’s DNA is copied into messenger RNA. The ribosome then translates the mRNA, using the genetic code to link amino acids in the correct order, building a protein. This is why DNA codes for structural and enzymatic proteins, which are composed of amino acids. In short, DNA provides the template for protein synthesis via RNA intermediates, and proteins carry out the cell’s structural roles and chemical activities. The other statements miss this essential pathway: DNA is involved in protein production, and it does not directly code for lipids or simply store energy.

The main idea is that DNA contains the instructions to make proteins. Genes specify polypeptides, and through transcription the gene’s DNA is copied into messenger RNA. The ribosome then translates the mRNA, using the genetic code to link amino acids in the correct order, building a protein. This is why DNA codes for structural and enzymatic proteins, which are composed of amino acids. In short, DNA provides the template for protein synthesis via RNA intermediates, and proteins carry out the cell’s structural roles and chemical activities. The other statements miss this essential pathway: DNA is involved in protein production, and it does not directly code for lipids or simply store energy.