MDCAT Biology MCQ #917

A person with lactose intolerance cannot digest milk sugar. Lactose is a disaccharide that normally yields which two monosaccharides upon hydrolysis?

MDCAT Biology MCQ #917

  1. Question 1

    Q1. A person with lactose intolerance cannot digest milk sugar. Lactose is a disaccharide that normally yields which two monosaccharides upon hydrolysis?

    • A) Glucose and Galactose
    • B) Glucose and Fructose
    • C) Glucose and Glucose
    • D) Fructose and Galactose

    Answer: Glucose and Galactose

    Explanation: Lactose is a disaccharide composed of glucose and galactose. Maltose is tempting but it consists of two glucose units.