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IB Biology Exam Prep

Category - Biology

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Which of the following is the site of protein synthesis?

Cell wall
Ribosomes
Vacuoles
DNA polymerase
RNA polymerase

Explanation

Answer: B, Ribosomes. Translation, the process that converts mRNA code into protein, takes place in ribosomes.

Key Takeaway: Ribosomes are complexes of RNA and protein that are located in cell nuclei. Ribosomes catalyze both the conversion of the mRNA code into amino acids as well as the assembly of the individual amino acids into a peptide change that becomes a protein.

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