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Multiple Choice
Which sugar is found in RNA?
A
Glucose
B
Deoxyribose
C
Fructose
D
Ribose
Verified step by step guidance
1
Step 1: Understand the structure of RNA. RNA stands for Ribonucleic Acid, and it is a nucleic acid involved in protein synthesis and gene regulation.
Step 2: Recall the components of RNA. RNA is composed of a sugar-phosphate backbone and nitrogenous bases. The sugar in RNA is a pentose sugar, meaning it has five carbon atoms.
Step 3: Compare the sugar in RNA to the sugar in DNA. DNA contains deoxyribose, which lacks an oxygen atom on the 2' carbon. RNA, on the other hand, contains ribose, which has a hydroxyl (-OH) group on the 2' carbon.
Step 4: Eliminate incorrect options. Glucose and fructose are monosaccharides commonly involved in energy metabolism, not nucleic acids. Deoxyribose is found in DNA, not RNA.
Step 5: Conclude that the sugar found in RNA is ribose, as it is the defining sugar in the structure of RNA molecules.