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    2.

    Which of the following statements regarding mitochondria is incorrect?

    A

    Outer membrane is permeable to monomers of carbohydrates, fats and proteins.

    B

    Enzymes of electron transport are embedded in outer membrane.

    C

    Inner membrane is convoluted with infoldings.

    D

    Mitochondrial matrix contains single circular DNA molecule and ribosomes.

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    5.

    Select the wrong statement.

    A

    Work is a scalar quantity

    B

    Kinetic energy depends on the mass and speed of the object

    C

    The work-energy theorem states that the net work done on an object is equal to the change in its kinetic energy

    D

    Power is the amount of work done

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    10.

    Which of the following statements is INCORRECT regarding the Krebs cycle?

    A

    It takes place in the mitochondrial matrix in eukaryotes.

    B

    It generates NADH and FADH2, which are used in the electron transport chain.

    C

    It produces ATP through substrate-level phosphorylation and oxidative phosphorylation.

    D

    It requires oxygen indirectly as the electron transport chain is its downstream process.

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