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How many hydr...

Question

How many hydrogen bonds are present between cytosine and guanine?

A

Four

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B

Three

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C

Two

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D

One

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Solution

The correct option is B Three

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Q. The number of H bonds between guanine and cytosine are

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 : Guanine unites with cytosine with three hydrogen bonds but it forms only one hydrogen bond with thymine.
STATEMENT-2 : Guanine and cytosine are purines while that of thymine is a pyrimidine.

Q. The number of complementary hydrogen bond(s) between a guanine and cytosine pair is:

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