1.

    Which of the following is NOT a characteristic of cellulose?

    A

    Composed of glucose monomers

    B

    Provides energy for humans

    C

    Forms a structural component of plant cell walls

    D

    Contains beta-1,4 glycosidic linkages

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    9.

    Why doesn't cellulose react with iodine to produce a blue color?

    A

    It lacks the helical structure necessary for iodine complexation.

    B

    It contains fructose units instead of glucose.

    C

    It is a branched polymer and cannot interact with iodine.

    D

    It is insoluble in water, preventing the reaction with iodine.

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    10.

    A phosphodiester bond is formed between which two groups in a nucleotide?

    A

    3' carbon of one sugar and 5' carbon of another sugar

    B

    Two nitrogenous bases

    C

    A sugar and a nitrogenous base

    D

    Two phosphate groups

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