Question

The endoplasmic reticulum 

A. Is a complex system of intracellular tubules. 

B. Is a component of the Golgi apparatus. 

C. Has a membrane structure similar to the cell membrane. 

D. Is associated with ribonucleoprotein. 

E. Is well developed in secretory cells.

Answer 1

A. True It is analogous to the sarcoplasmic reticulum in muscle cells. 

B. False The Golgi apparatus differs in structure, function and location in the cell. 

C. True As do mitochondria. 

D. True RNA is found in the ribosomes which are attached to the cytoplasmic side of the tubules in rough endoplasmic reticulum and are responsible for protein synthesis. 

E. True It is the site of hormone and enzyme synthesis.