MDCAT Chemistry MCQ #4873

Amylose is a linear polysaccharide. If a specific amylose chain consists of 50 glucose residues, how many alpha-1,4-glycosidic linkages are present in the molecule?

MDCAT Chemistry MCQ #4873

  1. Question 1

    Q1. Amylose is a linear polysaccharide. If a specific amylose chain consists of 50 glucose residues, how many alpha-1,4-glycosidic linkages are present in the molecule?

    • A) 50
    • B) 49
    • C) 51
    • D) 100

    Answer: 49

    Explanation: A linear chain of 50 glucose units contains 49 glycosidic linkages (n-1). Option A fails by including the terminal hydroxyls as linkages.