The $GERL$ system was proposed by:

Which of the following is not a component of the endomembrane system?

Prokaryotic cells do not have:

The best material for demonstrating streaming movements of protoplasm within living cells is

How many of the following structures are membrane-bound?
Endoplasmic reticulum,Golgi apparatus,Ribosomes,Lysosomes,Mitochondria,Microbodies,Centrioles,Nucleolus,Vacuoles

The endomembrane system includes $ . . . . . . $.