Which pentose sugar is present in RNA nucleotides?
A) Glucose
B) Ribose
C) Fructose
D) Glycerol
E) Lactose
IMAT 2024 · Question 14
Q14 - Structure of DNA and RNA
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The correct answer is B) Ribose.
RNA nucleotides contain ribose. DNA has deoxyribose, which is the same sugar missing an –OH on carbon 2'.
Glucose and fructose are 6-carbon sugars, glycerol isn't a sugar, and lactose is a disaccharide.
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