MDCAT Biology MCQ #391

The energy currency of the cell contains three phosphate groups. Which specific bond is broken to release approximately 7.3 kcal/mol of energy?

MDCAT Biology MCQ #391

  1. Question 1

    Q1. The energy currency of the cell contains three phosphate groups. Which specific bond is broken to release approximately 7.3 kcal/mol of energy?

    • A) Phosphodiester bond
    • B) Glycosidic bond
    • C) Peptide bond
    • D) Phosphoanhydride bond

    Answer: Phosphoanhydride bond

    Explanation: Phosphoanhydride bonds between phosphate groups are high-energy; phosphodiester bonds form the backbone of DNA and RNA.