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RNA and DNA are chiral molecules, their chirality is due to

1. chiral bases
2. chiral phosphate ester units
3. D-sugar component
4. L-sugar component

Correct answer: D-sugar component

Solution

The chirality of RNA and DNA arises from the D-sugar (ribose in RNA and deoxyribose in DNA) present in their structure, which is inherently chiral.

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