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Home Biochemistry Carbohydrate Comments

  • Question
  • The glycosidic bond


  • Options
  • A. in maltose is not hydrolyzed in lactose intolerant humans
  • B. in sucrose is hydrolyzed by bees
  • C. joins glucose and fructose to form sucrose
  • D. both (b) and (c)

  • Correct Answer
  • both (b) and (c) 


  • Carbohydrate problems


    Search Results


    • 1. The conversion of pyruvate to oxaloacetate

    • Options
    • A. requires biotin
    • B. involves the fixation of carbon dioxide
    • C. occurs in the mitochondria
    • D. all of the above
    • Discuss
    • 2. The NAG6 substrate is hydrolyzed by human lysozyme to form

    • Options
    • A. 6 glucosamines + 6 acetic acids
    • B. NAG4 + NAG2
    • C. NAG3 + NAG3
    • D. NAG3
    • Discuss
    • 3. Which of the following compounds is responsible for coordinated regulation of glucose and glycogen metabolism?

    • Options
    • A. NAD+
    • B. Fructose 2,6 bisphosphate
    • C. Acetyl-CoA
    • D. Fructose 1,6 bisphosphate
    • Discuss
    • 4. The main site for gluconeogenesis is

    • Options
    • A. kidney
    • B. liver
    • C. brain
    • D. muscle
    • Discuss
    • 5. Saliva contains all of the following except

    • Options
    • A. hormones
    • B. amylase
    • C. bacteria-killing enzymes
    • D. antibodies
    • Discuss
    • 6. Pyruvate is initially converted to which of the following in the gluconeogenesis?

    • Options
    • A. Glycerol
    • B. Phosphoenol pyruvate
    • C. Oxaloacetate
    • D. Acetyl CoA
    • Discuss
    • 7. The conversion of pyruvate to lactate is catalysed by

    • Options
    • A. pyruvate carboxylase
    • B. lactate dehydrogenase
    • C. pyruvate dismutase
    • D. pyruvate decarboxylase
    • Discuss
    • 8. Insulin

    • Options
    • A. stimulates gluconeogenesis and glycolysis
    • B. stimulates gluconeogenesis and inhibits glycolysis
    • C. inhibits gluconeogenesis and glycolysis
    • D. inhibits gluconeogenesis and stimulates glycolysis
    • Discuss
    • 9. Which of the following would be considered a part of metabolism?

    • Options
    • A. Biosynthetic pathways that build DNA
    • B. Catabolic pathways that break down complex carbohydrates
    • C. The capture of light energy for use in making glucose
    • D. All of the above
    • Discuss
    • 10. Which of the following is not involved in the biosynthesis of DNA?

    • Options
    • A. Energy from ATP
    • B. Mononucleotides
    • C. Carbonic anhydrase
    • D. Enzymes
    • Discuss


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