Is the DNA double helix parallel or antiparallel, and what does this mean?
A) It is parallel, meaning that the two strands both run alongside one another.
B) It is parallel, meaning that the base pairs are parallel.
C) It is parallel, meaning that the 5'end of one strand is positioned opposite the 5' end of the other strand.
D) It is antiparallel, meaning that the 5' end of one strand is positioned opposite the 3' end of the other strand.
E) It is antiparallel, meaning that the bases are perpendicular to the backbone.

Question

Quizplus · Accepted Answer

The DNA double helix is antiparallel, meaning that the 5' end of one strand is positioned opposite the 3' end of the other strand. This is important for the complementary base pairing that occurs between the two strands.

Is the DNA Double Helix Parallel or Antiparallel, and What