MDCAT Chemistry MCQ #4874

What is the molecular mass of Glycine, the simplest amino acid, given its formula H2N-CH2-COOH and the atomic masses C=12, O=16, N=14, H=1?

MDCAT Chemistry MCQ #4874

  1. Question 1

    Q1. What is the molecular mass of Glycine, the simplest amino acid, given its formula H2N-CH2-COOH and the atomic masses C=12, O=16, N=14, H=1?

    • A) 75 amu
    • B) 89 amu
    • C) 117 amu
    • D) 103 amu

    Answer: 75 amu

    Explanation: Glycine (H2N-CH2-COOH) has a molecular weight of 75. Option B is the mass of Alanine, which has an extra methyl group.