Isomers Molecular Structure | MCQs
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A. DNA and RNA
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B. Ribose and Deoxyribose
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C. Glucose and Starch
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D. Adenine and Guanine
Explanation
Ribose and Deoxyribose
Are isomers
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Both are monosaccharides (simple sugars) with the same molecular formula: C₅H₁₀O₅.
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Deoxyribose differs from ribose by one less oxygen atom at the 2' carbon (hence "deoxy").
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They are structural isomers (same formula, different structure).
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