How are the two helical strand wounded?

Q. How are the two helical strand wounded?

A

Around the opposite axis

B

Around the same axis

C

One above another

D

None of the above

Solution:

DNA has two strands wound around each other in a double helix.
The bases on each strand are bonded to each other with hydrogen bonds.
Only specific bases bond with each other.
Adenine bonds with thymine, and cytosine bonds with guanine.

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