Genetics and Evolution-Molecular Basis of Inheritance (NEET Biology): Questions 32 - 36 of 75

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Question number: 32

» Genetics and Evolution » Molecular Basis of Inheritance » Genetic Code

Appeared in Year: 2010

MCQ▾

Question

Which one of the following palindromic base sequences in DNA can be easily cut at about the middle by some particular restriction enzyme?

Choices

Choice (4) Response

a.

5’ ________ CGTTCG ________ 3’

3’ ________ ATGGTA ________ 5’

b.

5’ ________ CACGTA ________ 3’

3’ ________ CTCAGT ________ 5’

c.

5’ ________ GATATG ________ 3’

3’ ________ CTACTA ________ 5’

d.

5’________ GAATTC ________ 3’

3’ ________ CTTAAG ________ 5’

Question number: 33

» Genetics and Evolution » Molecular Basis of Inheritance » DNA Finger Printing

MCQ▾

Question

DNA finger printing was invented by

Choices

Choice (4) Response

a.

Kary Mullis

b.

Alec Jeffery

c.

Francis Collins

d.

Dr. Paul Berg

Question number: 34

» Genetics and Evolution » Molecular Basis of Inheritance » Lac Operon

MCQ▾

Question

Which of the following is not produced by E. Coli in the lactose operon

Choices

Choice (4) Response

a.

P galactosidase

b.

Thiogalactoside transacetylase

c.

Lactose dehydrogenase

d.

Lactose permease

Question number: 35

» Genetics and Evolution » Molecular Basis of Inheritance » Lac Operon

Appeared in Year: 2005

MCQ▾

Question

E. coli cells with a mutated z gene of the lac operon cannot grow in medium containing only lactose as the source of energy because (AIPMT)

Choices

Choice (4) Response

a.

The lac operon is constitutively active in these cells

b.

They cannot synthesize functional betagalactosidase

c.

In the presence of glucose, K. coli cells do not utilize lactose

d.

They cannot transport lactose from the medium into the cell

Question number: 36

» Genetics and Evolution » Molecular Basis of Inheritance » Lac Operon

Appeared in Year: 2003

MCQ▾

Question

What does “lac” refer to, in what we call the lac operon (AIPMT)

Choices

Choice (4) Response

a.

Lactose

b.

Lac insect

c.

Lactase

d.

the number 1, oo, ooo

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