Why is the smooth endoplasmic reticulum unable to synthesize proteins?
A)because it has no ribosomes
B)because there is no supply of free amino acids that it can easily access
C)because it stores calcium which is a known inhibitor of protein synthesis
D)because it has no DNA to direct synthesis of proteins

Question

Quizplus · Accepted Answer

Ribosomes are the structures responsible for protein synthesis, and the smooth endoplasmic reticulum lacks ribosomes. Therefore, it cannot synthesize proteins.

Why Is the Smooth Endoplasmic Reticulum Unable to Synthesize Proteins