MDCAT Biology MCQ #818

A laboratory technician isolates a molecule consisting of a nitrogenous base and a pentose sugar but no phosphate group. This molecule is called:

MDCAT Biology MCQ #818

  1. Question 1

    Q1. A laboratory technician isolates a molecule consisting of a nitrogenous base and a pentose sugar but no phosphate group. This molecule is called:

    • A) Adenine
    • B) Adenosine
    • C) Adenosine monophosphate
    • D) Adenosine triphosphate

    Answer: Adenosine

    Explanation: Adenosine is a nucleoside, consisting only of adenine and ribose. Adenine is just the nitrogenous base, and AMP is a full nucleotide.