Quiz
Carbohydrates
a day ago by
kjkitz
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  • Question 1
    20 seconds
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    Q.

    How many do classes of carbohydrate have?

    answer choices

    1 class: monosaccharides

    2 classes: monosaccharides, disaccharides

    3 classes: monosaccharides, disaccharides and oligosaccharides

    4 classes: monosaccharides, disaccharides, oligosaccharides, polysaccharides

  • Question 2
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    Q.

    The main functions of carbohydrates for human body:

    answer choices

    Main source of energy

    Spare protein from being burned so it can be used to build and repair

    Dietary fiber can help lower blood cholesterol

    Part of connective tissues, some hormones and enzymes and genetic material.

    All above answers.

  • Question 3
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    Q.

    Monosaccharides include three main types:

    answer choices

    Glucose, fructose and galactose

    Retinol, Alpha-tocopherol and Menadione

    Arginine, Glycine and Serin

    All above answers are wrong!

  • Question 4
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    Q.

    What is the main difference between glucose and fructose structure?

    answer choices

    Glucose makes a six membered ring, and fructose makes a five membered ring.

    Glucose forms a pyranose ring structure, whereas fructose makes a furan ring structure

    Glucose is an aldohexose, whereas fructose is a ketohexose.

    All three answers are right!

  • Question 5
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    Q.

    Lactose is formed by reaction between:

    answer choices

    Glucose and Glucose

    Galactose and Fructose

    Fructose and Glucose

    Galactose and Glucose

  • Question 6
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    Q.

    Sucrose is formed by reaction between:

    answer choices

    Glucose and Fructose

    Glucose and Glucose

    Fructose and Galactose

    Galactose and galactose

  • Question 7
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    Q.

    Polysaccharides are large molecules containing

    answer choices

    10 or more monosaccharide units

    10 or more disaccharide units.

    10 or more trisaccharide units.

    All above answers are wrong.

  • Question 8
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    Q.

    Starch has two different types:

    answer choices

    Maltose and Lactose

    Maltose and Sucrose

    Lactose and Sucrose

    Amylose and Amylopectin

  • Question 9
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    Q.

    Cellulose is major structural material of cell wall of:

    answer choices

    Animals

    Plants

    Bacteria

    Insects

  • Question 10
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    Q.

    The image on the left is best classified as a

    answer choices

    ketohexose

    aldohexose

    ketopentose

    aldopentose

  • Question 11
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    Q.

    The stereochemistry on the three structures is

    answer choices

    All L-

    All D-

    Mix of L and D

  • Question 12
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    Q.

    The center structure is

    answer choices

    galactose

    fructose

    glucose

    mannose

  • Question 13
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    Q.

    The structure on the right is

    answer choices

    galactose

    fructose

    glucose

    mannose

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