MDCAT Chemistry MCQ #4849

A student examines the linkage between two amino acids in a polypeptide. Which atoms directly form the peptide backbone connection?

MDCAT Chemistry MCQ #4849

  1. Question 1

    Q1. A student examines the linkage between two amino acids in a polypeptide. Which atoms directly form the peptide backbone connection?

    • A) Carbon and Nitrogen
    • B) Carbon and Oxygen
    • C) Nitrogen and Hydrogen
    • D) Sulfur and Carbon

    Answer: Carbon and Nitrogen

    Explanation: The peptide bond is a C-N linkage; C-O is tempting but refers to the carbonyl bond within the amide group.