What is the polarity of the two chains in a double helix structure of DNA?

What is the polarity of the two chains in a double helix structure of DNA?
  1. Parallel
  2. Anti-parallel
  3. Both A) and B)
  4. None of the above

Solution

The two chains in a double helix structure of DNA have anti-parallel polarity. If one chain has the polarity 5' to 3', the other has 3' to 5'.

Asked in: NCERT

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