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Ch 26 Quiz 1
26.1 & 26.2 Q1: A DNA molecule consists of two polynucleotide strands that twist around each other to form a (a)______________. The strands are held together by (b)______________ bonds between the nitrogenous bases.
(a) single helix, (b) hydrogen
(a) double helix, (b) hydrogen
(a) double helix, (b) covalent
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