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What is mutarotation?...

What is mutarotation?

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Explore conceptually related problems

Which of the following will not show mutarotation?

Which sugar is dextrorotatory and indicates mutarotation ?

(a)What is guttation? What is the cause of guttation? (b) What are hydathodes?

Which of the following exhibit mutarotation?

The equilibrium constant for mutarotation alpha-"D Glucose "hArr beta-"D Glucose 1.8" . What percentage of alpha form remains at equilibrium?

Hemiacetals, Glucose Reactions, Mutarotation, Reaction OF Fructose, Properties OF Disaccharides, Maltose, Lactose, Polysaccharides

A sugar exist in two isomeric form alpha-D & beta-D with specific rotation of 110^(@) and 30^(@) respectively. When alpha-D form of the suar is dissolved in water exhibits mutarotation till the equilibrium value of 90^(@) is attained. The equilibrium constant of mutarotation of beta-D form [Assuming only alpha and beta form in solution] is equal to:

Knowledge Check

  • Which of the following will not show mutarotation?

    A
    Maltose
    B
    Lactose
    C
    Glucose
    D
    Sucrose

  • Which sugar is dextrorotatory and indicates mutarotation ?

    A
    Sucrose
    B
    Maltose
    C
    Both (a) and (b)
    D
    None

  • Which of the following compounds will not show mutarotation ?

    A
    `alpha` -D (+) glucopyranose
    B
    `beta` -D (+) glucopyranose
    C
    Methly-`alpha`-D-glucopyranoside
    D
    `beta` - D(+) galacopyranose
    • MODERN PUBLICATION-BIOMOLECULES-Revision Exercises (Objective Questions)(Very Short Answer Questions)
    1. What is mutarotation?

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    2. What is the basic difference between proteins and polypeptides?

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    3. What type of bonding helps in stabilising the alpha-helix structure of...

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    4. Name the enzyme which is used to cure the heart disease.

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    5. The enzyme defective in albinism is

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    6. Name on fibrous and one globular protein.

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    7. Write a disease caused due to deficiency of vitamin C and name one sou...

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    8. What do you understand by the term glycosidic linkage?

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    9. Peptide linkage.

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    10. Why is cellulose not used as a nutrient in the human gut ?

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    11. What type of sugar molecule is present in DNA ?

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    12. The sugar component in RNA molecule is :

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    13. Write the chemical name of vitamin B(12).

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    14. Which vitamin deficiency causes pernicious anaemia?

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    15. What is the chemical name of vitamin B(1) and which disease is caused ...

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    16. What is the chemical name of vitamin A and which disease is caused by ...

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    17. What is the basic structural difference between starch and cellulose?

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    18. the enzyme that converts glucose into alcohol is

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    19. Enzyme which hydrolyses starch to maltose is

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    20. What is the difference between a nucleoside and nucleotide ?

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