The DNA double helix is antiparallel. This means that the two strands

Question

Question 1 options:

A)

are parallel and run in opposite directions.

B)

are parallel and are the mirror images of each other.

C)

are parallel and are identical to each other.

D)

cross over each other many times.

Answer 1

The correct answer is:

A) are parallel and run in opposite directions.

In a DNA double helix, one strand runs in a 5' to 3' direction, while the other runs in a 3' to 5' direction, making them antiparallel.