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  1. The double helix model of Watson and Crick is known as
    1. C-DNA
    2. B-DNA
    3. Z-DNA
    4. D-DNA
Correct Option: B

One of the secondary structures exhibited by DNA is the famous Watson-Crick model. This model says that DNA exists as a double helix. The two strands of polynucleotides are antiparallel i.e., run in the opposite direction.



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