What is meant by the term antiparallel, when applied to DNA structure?
a. The 5' end of one strand is directly paired with the 5' end of the other strand.
b. The double helix twists; it is not perfectly parallel.
c. The 5' end of one strand is directly paired with the 3' end of the other strand.
d. One strand has a negative charge, and the other strand has a positive charge.
Ans: c. The 5' end of one strand is directly paired with the 3' end of the other strand.
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