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The correct feature of Double-helical st...

The correct feature of Double-helical structure of DNA as given by Watson and Crick is :

A

Right-handed helix, pitch is 3.4 nm

B

Left-handed helix, pitch is 3.8 nm

C

Right-handed helix, pitch is 3.8 nm

D

Left-handed helix, pitch is 3.4 nm

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