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Which description best explains Watson and Crick's DNA model? A. DNA is a single–stranded molecule that has nitrogenous bases toward its exterior. B. DNA is a double helix made of two strands linked together
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Which description best explains Watson and Crick's DNA model?

A.

DNA is a single–stranded molecule that has nitrogenous bases toward its exterior.

B.

DNA is a double helix made of two strands linked together with hydrogen bonds.

C.

DNA is a double helix that contains nitrogenous bases toward its exterior

User Kah Tang
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Answer: B.

Step-by-step explanation:

double helix and linked with hydrogen bonds

User Shannon Matthews
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