MDCAT Biology MCQ #767

A diagram shows a straight line of various amino acids linked by peptide bonds. This basic level of protein organization is the:

MDCAT Biology MCQ #767

  1. Question 1

    Q1. A diagram shows a straight line of various amino acids linked by peptide bonds. This basic level of protein organization is the:

    • A) Primary structure
    • B) Secondary structure
    • C) Tertiary structure
    • D) Quaternary structure

    Answer: Primary structure

    Explanation: The primary structure is the linear sequence of amino acids. Secondary is tempting but refers to the initial folding into helices or sheets.