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Q: What is the role of ribosomes in a polysome?
  • A. To help in the synthesis of DNA
  • B. To make RNA
  • C. To assist in the conversion of mRNA into protein
  • D. To help in the replication of DNA
Correct Answer: Option C - Ribosomes are made up of proteins and ribosomal RNA (rRNA). Multiple ribosomes that are joined to the mRNA and contain developing polypeptide chains are known as polysomes. The function of ribosomes in a polysome is to synthesize proteins. In a polysome, multiple ribosomes attach to a single mRNA molecule and simultaneously translate it into amino acid sequences forming polypeptide chains that will fold into functional proteins.
C. Ribosomes are made up of proteins and ribosomal RNA (rRNA). Multiple ribosomes that are joined to the mRNA and contain developing polypeptide chains are known as polysomes. The function of ribosomes in a polysome is to synthesize proteins. In a polysome, multiple ribosomes attach to a single mRNA molecule and simultaneously translate it into amino acid sequences forming polypeptide chains that will fold into functional proteins.

Explanations:

Ribosomes are made up of proteins and ribosomal RNA (rRNA). Multiple ribosomes that are joined to the mRNA and contain developing polypeptide chains are known as polysomes. The function of ribosomes in a polysome is to synthesize proteins. In a polysome, multiple ribosomes attach to a single mRNA molecule and simultaneously translate it into amino acid sequences forming polypeptide chains that will fold into functional proteins.