Dragonfly20O5 Dragonfly20O5

04-05-2019
Biology

contestada

Question 2: What two substances make the backbone of the
DNA molecule? *
Adenine and Thymine

Cytosine and Guanine

Sugar and Phosphate

Adenine and Uracil

Respuesta :

mexicanmayhem mexicanmayhem

04-05-2019

cytosine and guanine is the correct answer

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