NEET BIOLOGY

Detailed explanation-1: -Cell membranes serve as barriers and gatekeepers.

Detailed explanation-2: -By acting as a gatekeeper, the plasma membrane protects the cell from its surroundings and keeps important molecules from leaving the cell, so that the correct balance of molecules is maintained.

Detailed explanation-3: -Protein machineries embedded in the membranes of our cells act as ‘gatekeepers’ controlling everything transported in and out of every cell in our bodies. Because these machineries, called membrane embedded proteins, are vital to the way our bodies function they are the target of at least 40% of drugs.

Detailed explanation-4: -Mitochondria are present in both animal and plant cells. Cell wall and chloroplasts are present in only in plant cells.

Detailed explanation-5: -Cell Membrane: Your Body’s Gatekeeper The cell membrane is the boundary that separates the internal components of the cell from the outside environment. It keeps all the cellular contents safe so that they can function properly without being damaged.