AP Biologyeasymcq1 pt

Which cell structure directly synthesizes proteins by translating mRNA?

A.Ribosome
B.Lysosome
C.Golgi apparatus
D.Smooth ER

Explanation

Core Concept

Ribosomes read mRNA and link amino acids into polypeptides. They exist free in the cytosol and bound to the rough ER, and they are not membrane-bound organelles.

Correct Answer

ARibosome

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