NEET BIOLOGY

CELL STRUCTURES AND FUNCTION

CELL STRUCTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
stiff, protective outer layer of plant cells that give them their shape
A
cell membrane
B
nuclear membrane
C
cell wall
D
cytoplasm
Explanation: 

Detailed explanation-1: -A cell wall is a rigid layer that is found outside the cell membrane and surrounds the cell. The cell wall contains not only cellulose and protein, but other polysaccharides a s well . The cell wall provides structural support and protection.

Detailed explanation-2: -Plant cells are surrounded by a tough extracellular matrix in the form of a cell wall, which is responsible for many of the unique features of a plant’s life style.

Detailed explanation-3: -The cell wall surrounds the plasma membrane and provides the cell tensile strength and protection. Besides the presence of chloroplasts, another major difference between plant and animal cells is the presence of a cell wall.

Detailed explanation-4: -The cell wall This structure maintains the cell’s shape, protects the cell interior, and prevents the cell from bursting when it takes up water. The cell wall of most bacteria contains peptidoglycan, a polymer of linked sugars and polypeptides.

Detailed explanation-5: -The large central vacuole is surrounded by its own membrane and contains water and dissolved substances. Its primary role is to maintain pressure against the inside of the cell wall, giving the cell shape and helping to support the plant.

There is 1 question to complete.