Ribosomes are composed of
A)tRNA and protein.
B)mRNA and protein.
C)rRNA and protein.
D)only proteins folded together.

Question

Quizplus · Accepted Answer

Ribosomes are composed of ribosomal RNA (rRNA) and proteins. The rRNA provides the catalytic activity for protein synthesis, and the proteins help stabilize the structure of the ribosome. While tRNA and mRNA are involved in protein synthesis, they are not components of the ribosome itself. Proteins alone cannot fold into ribosomes.

Ribosomes Are Composed of