In double helix of DNA, the two DNA strands are :
Correct answer: A. Coiled around a common axis
- A. Coiled around a common axis
- B. Coiled around each other
- C. Coiled differently
- D. Coiled over protein sheath
Explanation
According to the Watson-Crick model, the DNA molecule consists of two long, parallel chains which are joined together by short crossbars at regular intervals. The two chains are spirally coiled around a common axis in a regular manner to form a right-handed double helix.
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