MDCAT Biology MCQ #995

Which component of an ATP molecule is described as a double-ringed nitrogenous base in biological diagrams?

MDCAT Biology MCQ #995

  1. Question 1

    Q1. Which component of an ATP molecule is described as a double-ringed nitrogenous base in biological diagrams?

    • A) Ribose
    • B) Phosphate
    • C) Adenine
    • D) Uracil

    Answer: Adenine

    Explanation: Adenine is the purine base in ATP; Ribose is tempting but it is a five-carbon sugar, not a nitrogenous base.