MDCAT Biology MCQ #766

When comparing the diagrams of Ribose and Deoxyribose, which specific carbon atom in Deoxyribose lacks the hydroxyl (-OH) group?

MDCAT Biology MCQ #766

  1. Question 1

    Q1. When comparing the diagrams of Ribose and Deoxyribose, which specific carbon atom in Deoxyribose lacks the hydroxyl (-OH) group?

    • A) Carbon-1
    • B) Carbon-3
    • C) Carbon-2
    • D) Carbon-5

    Answer: Carbon-2

    Explanation: Deoxyribose lacks an oxygen atom at the C2 position. C3 is tempting because it has an OH group in both sugars.