Related Questions

    1.

    Which of the following is an incorrect match?

    A

    Purines – Adenine, guanine

    B

    Pyrimidines – Cytosine, thymine

    C

    Structural polysaccharides – insulin

    D

    Storage polysaccharides – starch

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    8.

    Cellulose is made up of

    A

    Branched chain of glucose molecule linked by α-1, 4 glycosidic bond in straight chain and β-1, 6 glycosidic bond at the site of branching

    B

    Branched chain of glucose molecule linked by α-1, 6 glycosidic bond in straight chain and β-1, 4 glycosidic bond at the site of branching

    C

    Unbranched chain of glucose molecule linked by β-1, 4 glycosidic bond

    D

    Unbranched chain of glucose molecule linked by α-1, 6 glycosidic bond

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    9.

    Sucrose is formed by a dehydration reaction between glucose (C6H12O6C_6H_{12}O_6) and fructose (C6H12O6C_6H_{12}O_6). What is the molecular formula of sucrose?

    A

    C12H24O12C_{12}H_{24}O_{12}

    B

    C12H22O11C_{12}H_{22}O_{11}

    C

    C6H12O6C_6H_{12}O_6

    D

    C12H20O10C_{12}H_{20}O_{10}

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    10.

    Two molecules of a monosaccharide, CxHyOzC_xH_yO_z, undergo a dehydration reaction to form a disaccharide. What is the general formula of the resulting disaccharide?

    A

    C2xH2yO2zC_{2x}H_{2y}O_{2z}

    B

    CxH2yOzC_{x}H_{2y}O_{z}

    C

    C2xH2y−2O2z−1C_{2x}H_{2y-2}O_{2z-1}

    D

    C2xH2y−1O2z−2C_{2x}H_{2y-1}O_{2z-2}

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