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DNA

Number of hyd...

Question

Number of hydrogen bonds between adenine and cytosine is:

A

0

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B

1

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C

2

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D

3

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Solution

The correct option is D 0
Number of hydrogen bonds present between $A$ and $C$ is 0 as A does not pair up with C.

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Q. The number of hydrogen bonds between Guanine and Cytosine; and between Adenine and Thymine in DNA are:

Q. Adenine and thymine are held together by .......... hydrogen bonds, while guanine and cytosine are linked by .......... hydrogen bonds.

STATEMENT-1 : Adenine pairs with thymine but not with cytosine.
STATEMENT-2 : With cytosine no hydrogen bonds are possible for adenine.

Q. Assertion :The two strands of DNA are complementary to each other. Reason: Adenine specifically forms hydrogen bonds with guanine whereas cytosine forms hydrogen bonds with thymine.

Q. The number of hydrogen bonds between adenine and thymine in a DNA molecule is

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