A polysome is
A) the structure formed when a polypeptide is glycosylated.
B) a signal sequence.
C) the structure formed when multiple peptide chains are gathered together.
D) a protein release factor.
E) the structure formed when multiple ribosomes are translating an mRNA molecule.

Question

Quizplus · Accepted Answer

A polysome refers to the structure formed when multiple ribosomes are translating an mRNA molecule. Each ribosome translates the mRNA, forming a polypeptide chain, and as multiple ribosomes can attach to the same mRNA molecule, they can simultaneously translate multiple copies of the polypeptide chain, thus forming a polysome.

A Polysome Is