Q. Consider the following statements.
a. In prokaryotic cells, a special membranous structure formed by the extension of the plasma membrane into the cell is known as polysome
b.The smooth endoplasmic reticulum is the major site for synthesis of glycoproteins
c. RuBisCO is the most abundant protein in the whole of biosphere
d. Mitochondria, chloroplasts and peroxisomes are not considered as part of endomembrane system Of the above statements

 2773  203 KEAMKEAM 2012Cell : The Unit of Life Report Error

Solution:

The special membranous structure formed by the extension of prokaryotic plasma membrane is known as mesosome. While polysome is a structure formed by combination of many ribosomes. SER is the major site of synthesis of lipids. The site of protein synthesis is RER.