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Levart [38]
4 years ago
6

The information specifying the traits of an organism is present in units of chemical substances in the center of a DNA molecule.

The backbone that supports these chemical substances, allowing them not to collide, is composed of alternating -
Biology
1 answer:
DIA [1.3K]4 years ago
3 0

Answer:

Nitrogenous base

Explanation:

Adenine, thymine, guanine, cytosine

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