Structure external to cell wall

Question 1

Many substances secrete on their surface a substance called

Answer 1

Glycocalyx

Question 2

is a term used for substances that surround cells.

Answer 2

Glycocalyx

Question 3

is a coating or layer of molecules that is external to cell wall.

Answer 3

Glycocalyx

Question 4

If the substance is organized and is firmly attached to cell wall, the glycocalyx is described as ———. If the substance is loosely attached to the cell wall, the glycocalyx is described as ———

Answer 4

Capsule
slime layer

Question 5

The ——— is the outer covering of bacterial cell in the absence of capsule.

Answer 5

Cell wall

Question 6

It is contain peptidoglycan

Answer 6

Cell wall

Question 7

A polymer composed of modified sugars cross-linked by short polypeptides containing D-amino acids.

Answer 7

Peptidoglycan

Question 8

The backbone of the peptidoglycan molecule is composed of two derived of glucose:

Answer 8

N-acetylglucosamine (NAG)
N-acetylmuramic acid (NAM)

Question 9

The ——— is rigid in nature which gives a proper shape to bacteria.

Answer 9

cell wall

Question 10

——— encloses all internal parts of the cell including cell membrane.

Answer 10

Cell wall

Question 11

Maintain cell shape, protects the cell, and prevent it from bursting in a hypotonic environment.

Answer 11

Cell wall