HORTICULTURE SCIENCE
PLANT BIOTECHNOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What are the base-pairing rules in DNA?
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A-C, G-T
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A-U, G-C
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A-T, G-C
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A-C, G-U
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Explanation:
Detailed explanation-1: -The rules of base pairing (or nucleotide pairing) are: A with T: the purine adenine (A) always pairs with the pyrimidine thymine (T) C with G: the pyrimidine cytosine (C) always pairs with the purine guanine (G)
Detailed explanation-2: -The type of bonds between A-T and G-C base pairs are hydrogen bonds. There are two hydrogen bonds between A-T base pairs, while there are three hydrogen bonds between the G-C base pair. These hydrogen bonds between the complementary bases help hold the two DNA strands together.
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