What cellular structure is found to be greatly expanded in plasma cells, but not in their precursor cells?
A)nuclei
B)mitochondria
C)chloroplasts
D)rough endoplasmic reticulum
E)lysosomes

Question

Quizplus · Accepted Answer

Plasma cells have a greatly expanded rough endoplasmic reticulum, which allows for the high rate of protein synthesis necessary for the production and secretion of antibodies. This expansion is not seen in their precursor cells.

What Cellular Structure Is Found to Be Greatly Expanded in Plasma