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Kay [80]
3 years ago
11

The two complementary strands of DNA are held together by

Biology
2 answers:
Alexxandr [17]3 years ago
7 0
The two complementary strands of DNA are held together by Hydrogen bonding. 
Zarrin [17]3 years ago
6 0
<span>DNA strand and its complementary strand are held together by hydrogen bonds. A "G" (guanine) base on one strand will always be bonded to a "C" (cytosine) on the opposite strand by 3 hydrogen bonds. An "A" (adenine) base on one strand will always be bonded to a "T" (thymine) on the opposite strand by 2 hydrogen bonds.</span>
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