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which of the molecules make up the "rungs" of the DNA structure.

guanine
thymine
cytosine
deoxyribose
adenine
ribose
phosphate
uracil

Respuesta :

Answer:

guanine, thymine, cystosine and adenine. uracil is used in RNA, but dont select that this time

Explanation:

To remember both the first letters and what bonds to what:

car in the garage ( cytosine/guanine) and apple in the tree (thymine, adenine)