syd200417
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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.

Respuesta :

Answer:

A . ..............,.................

Answer:

DNA is your saliva

Explanation:

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