Multiple Choice
Which of the following best describes the composition of maltose?
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1. Introduction to Biochemistry
Carbohydrates
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How many carbon atoms are present in a molecule of ribose?
A
4
B
5
C
6
D
3
Verified step by step guidance1
Step 1: Understand the structure of ribose. Ribose is a monosaccharide (simple sugar) with the molecular formula C₅H₁₀O₅. This formula indicates the number of carbon (C), hydrogen (H), and oxygen (O) atoms in the molecule.
Step 2: Focus on the molecular formula C₅H₁₀O₅. The subscript next to the carbon (C) symbol represents the number of carbon atoms in one molecule of ribose.
Step 3: Count the carbon atoms based on the molecular formula. The subscript '5' next to the carbon symbol (C) means there are 5 carbon atoms in a molecule of ribose.
Step 4: Compare the options provided in the problem (4, 5, 6, 3) to the number of carbon atoms determined from the molecular formula.
Step 5: Conclude that the correct answer is the option that matches the number of carbon atoms in ribose, which is 5.
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