MDCAT Biology MCQ #988

When examining a diagram of cellulose, what is the orientation of the glycosidic linkage between the adjacent glucose subunits?

MDCAT Biology MCQ #988

  1. Question 1

    Q1. When examining a diagram of cellulose, what is the orientation of the glycosidic linkage between the adjacent glucose subunits?

    • A) Alpha 1-4
    • B) Beta 1-4
    • C) Alpha 1-6
    • D) Beta 1-6

    Answer: Beta 1-4

    Explanation: Cellulose uses Beta 1-4 linkages for straight chains; Alpha 1-4 is tempting as it characterizes the helical structure of amylose starch.