the two strands of a dna molecule are said to be antiparallel. what does this mean?

 

The two strands of a DNA molecule are said to be antiparallel. What does this mean www.clickanswer.us

The two strands of a DNA molecule are said to be antiparallel. What does this mean?

A. They are oriented in opposite directions.

B. They vary in their distance from each other.

C. They are oriented perpendicular to each other.

D. The bases face each other rather than the backbones.


Answer :


The DNA molecule is  composed of two strands  with the help of hydrogen bonds which is doubl helix  At each end of the double helix, one strand is 5' and the other is 3'.the two strands are anti parallel so the correct option is

A. They are oriented in opposite directions

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