MDCAT Chemistry MCQ #4851

Starch consists of two polysaccharides, one of which is water-soluble and forms a blue color with iodine. Identify this component.

MDCAT Chemistry MCQ #4851

  1. Question 1

    Q1. Starch consists of two polysaccharides, one of which is water-soluble and forms a blue color with iodine. Identify this component.

    • A) Amylopectin
    • B) Amylose
    • C) Glycogen
    • D) Cellulose

    Answer: Amylose

    Explanation: Amylose is the unbranched, water-soluble fraction; amylopectin is tempting but is branched and generally insoluble in cold water.