A

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Q. Assertion (A): DNA is negatively charged.
Reason (R): It contains phosphate groups.

  • (A) Both A and R are true and R is correct
  • (B) Both A and R are true but R is not correct
  • (C) A is true but R is false
  • (D) A is false but R is true

Explanation by: Admin

Phosphate backbone gives DNA negative charge.

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