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3 votes
Question 2: What two substances make the backbone of the

DNA molecule? *
Adenine and Thymine

Cytosine and Guanine

Sugar and Phosphate

Adenine and Uracil


User Sdcvvc
by
8.8k points

1 Answer

1 vote

cytosine and guanine is the correct answer

User Joaquin Casco
by
8.3k points
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