Strands of DNA are bounded by___________________?
Correct answer: B. Hybrogen
- A. Icygen
- B. Hybrogen
- C. Carbon
- D. Nitrogen
Explanation
The two DNA strands are held together by hydrogen bonds between complementary bases: adenine with thymine and guanine with cytosine. Carbon and nitrogen are parts of DNA molecules, but they do not form the bonds joining the strands.
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