Which once of the following structures is an organelle within an organelle?

Options

A. Ribosome
B. Peroxisome
C. ER
D. Mesosome

Answer

B

Explanation

The ribosomes are numerous in actively synthesizing cells such as liver cells, pancreatic cells, endocrine cells, lymphocytes, yeast cells and meristematic cells. Cells active in protein synthesis have a prominent nucleus which acts as sites for ribosome assembling.