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Biology
In DNA helix, cytosine is paired with guanine by
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Q. In DNA helix, cytosine is paired with guanine by
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A
three hydrogen bonds
B
two hydrogen bonds
C
single hydrogen bond
D
covalent bond
Solution:
In the DNA helix, cytosine pairs with guanine with the help of three hydrogen bond but adenine pairs with thymine with the help of two hydrogen bonds.