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Engineering
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19. | When this single strand binds to a complementary DNA strand to form a B-DNA structure | |
A. | half the base-pairs will be A-G pairs and half will be C-T pairs | |
B. | each base will form at least two hydrogen bonds with a base in the opposite strand. | |
C. | the two strands will form an antiparallel left-handed helix with 12 basepairs per turn. | |
D. | there will be covalent phosphodiester bonds between the two strands. | |