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Cell Wall of Gram Positive and Gram Negative Bacteria

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

 

The cell wall of the bacterium GRAM - is formed by:

a)

Membrane

b)

Two lipid membranes, inner and outer

c)

Three phospholipid membranes

d)

Lipids

2.

Gram + bacteria are made up of:

a)

80% peptidoglycan

b)

50% lipopolysaccharides

c)

90% peptidoglycan

d)

30% lipopolysaccharides

3.

The creator of the GRAM bacteria stain was discovered by?

a)

Henry GRAM

b)

Christian GRAM

c)

Alfred GRAM

d)

Stephen GRAM

4.

One of the main functions of the bacterial cell wall is?

a)

Gives the bacteria color

b)

Gives energy to the bacteria

c)

Gives you resistance to antibiotics

d)

Gives movement to the bacteria

5.

Teichoic acid are typical of:

a)

GRAM + bacteria

b)

Both types of bacteria

c)

GRAM - bacteria

d)

This component isn't found in bacteria

6.

This is an example of the staining of what type of bacteria?

a)

That's not bacteria

b)

GRAM +

c)

Both types of bacteria

d)

GRAM - 

7.

 How is the peptidoglycan layer of gram - bacteria?

a)

Gross

b)

Fine

c)

Slim

d)

Smooth

8.

What colors can GRAM + bacteria be visualized with the Gram crystal violet stain?

a)

Pink or yellow

b)

Purple or light blue

c)

Red or dark blue

d)

Dark blue or purple 

9.

The main difference between GRAM positive and GRAM negative bacteria is?

a)

They have no difference

b)

Ribosomes and nucleoid

c)

Its cell wall

d)

Its scourges

10.

How is the peptidoglycan layer of gram + bacteria?

a)

Gross

b)

Slim

c)

Fine

d)

Doesn't have