The 3' end of DNA
A. refers to the end that has a hydroxyl group attached to the number 3 carbon of deoxyribose.
B. attaches to the 5' phosphate group of the incoming nucleotide.
C. always has thymine attached to it.
D. usually has guanine attached to it.
E. refers to the end that has a hydroxyl group attached to the number 3 carbon of deoxyribose AND attaches to the 5' phosphate group of the incoming nucleotide.
E
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