NEETBotanyCell - The Unit of Life
What is the structure of the cell envelope in prokaryotic cells?
Options
- AA single layer of plasma membrane
- BA three layered structure of glycocalyx, cell wall, and plasma membrane
- CA complex network of organelles
- DA fluid-filled sac
Correct answer
B. A three layered structure of glycocalyx, cell wall, and plasma membrane
Step-by-step solution
Most prokaryotic cells, particularly the bacterial cells, have a chemically complex cell envelope. The cell envelope consists of a tightly bound three layered structure i.e., the outermost glycocalyx followed by the cell wall and then the plasma membrane . Although each layer of the envelope performs distinct function, they act together as a single protective unit.