Structure of a DNA molecule is:

linear

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branched

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single helix

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double helix

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Solution

The correct option is D double helix
DNA molecule consists of 2 strands coiled around one another in a double helix.
The famous double helical model of DNA was given by Watson and Crick and they were awarded Nobel prize for this.

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Structure of a DNA molecule is:

The correct option is D double helixDNA molecule consists of 2 strands coiled around one another in a double helix.The famous double helical model of DNA was given by Watson and Crick and they were awarded Nobel prize for this.

The correct option is D double helix
DNA molecule consists of 2 strands coiled around one another in a double helix.
The famous double helical model of DNA was given by Watson and Crick and they were awarded Nobel prize for this.