DNA composition and structure Flashcards by Janet Garcia

Q

polymer of nucleotides

A

purines: adenine (A) and guanine (G)

pyrimidines: thymine (T) and cytosine (C)

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Q

double helix

A

composed of 2 DNA strands

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Q

DNA strands are held together by

A

H bonds between A-T and C-G nitrogenous bases

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