GATE (Graduate Aptitude Test in Engineering) Microbiology: Questions 30 - 33 of 125

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Question 30

Appeared in Year: 2020

Question

MCQ▾

Which one of the following is an example of substrate level phosphorylation?

Choices

Choice (4)Response

a.

1,3- bisphosphoglycerate to 3-phosphoglycerate

b.

glucose to glucose 6-phosphate

c.

fructose 6- phosphate to fructose 1,6-bisphosphate

d.

2 – phosphoglycerate to phosphoenolpyruvate

Question 31

Appeared in Year: 2020

Question

MCQ▾

Which one of the following conditions favors maximum expression of lac operon genes in E. coli?

Choices

Choice (4)Response

a.

glucose- high lactose – high cAMP- low

b.

glucose- low lactose – low cAMP- high

c.

glucose- high lactose – low cAMP- high

d.

glucose- low lactose – high cAMP- high

Question 32

Appeared in Year: 2019

Question

MCQ▾

Which part of the lipopolysaccharides has toxic properties that make some bacterial infections a potentially serious medical problem?

Choices

Choice (4)Response

a.

Lipid A portion

b.

Repeat carbohydrate units

c.

Polysaccharide sidechains

d.

Core region of polysaccharides

Question 33

Appeared in Year: 2019

Question

MCQ▾

Dick test is used to assess the susceptibility to.

Choices

Choice (4)Response

a.

tuberculosis

b.

typhoid fever

c.

diphtheria

d.

scarlet fever

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