NEET BIOLOGY

BIOLOGICAL CLASSIFICATION

KINGDOM MONERA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The outer layer of the cell wall consisting of polysaccharides and water which functions to protect bacteria against extreme environments is ____
A
cell membrane
B
scourge
C
ribosome
D
chlorosome
E
kapsul
Explanation: 

Detailed explanation-1: -Most procaryotes contain some sort of a polysaccharide layer outside of the cell wall polymer. In a general sense, this layer is called a capsule. A true capsule is a discrete detectable layer of polysaccharides deposited outside the cell wall.

Detailed explanation-2: -The glycocalyx, also known as the pericellular matrix, is a glycoprotein and glycolipid covering that surrounds the cell membranes of bacteria, epithelial cells, and other cells. In 1970, Martinez-Palomo discovered the cell coating in animal cells, which is known as the glycocalyx.

Detailed explanation-3: -The glycocalyx Is a polysaccharide protective coating outside of the bacterial cell wall that is called either a capsule or slime layer based on Its structure.

Detailed explanation-4: -The bacterial cell wall is a peptidoglycan polysaccharide. It is made up of alternating subunits of N-acetylglucosamine and N-acetylmuramic acid. This forms the carbohydrate backbone structure of the bacterial cell wall.

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