Answer to Question #214502 in Molecular Biology for Moe

Question #214502

2.2) Two chains of DNA must run in _________ direction(s) and must be ________ if they are to bond with each other.

  1. The same; uncomplementary.
  2. Opposite; uncomplementary.
  3. Parallel; uncomplementary.
  4. Parallel; complementary.
  5. Antiparallel; complementary.
1
Expert's answer
2021-07-29T04:28:02-0400

The answer is 5. Antiparallel; complementary.


Explanation -

The two strands of DNA are antiparallel i.e. the 5' → 3' direction and the two DNA chains are held together by complementary base pairing between A and T bases and between G and C bases.


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