The antiparallel arrangement within DNA molecules refers to
A. a purine always bonding to a pyrimidine.
B. each base bonding at the 1' position of the sugar.
C. one helix strand that runs from the 5' to 3' direction and the other strand runs from the 3' to 5' direction.
D. an original parent DNA strand and one newly synthesized DNA strand comprising a new DNA molecule.
Answer: C
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a. true b. false
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