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NEET Biology Cell - The Unit Of Life Question Bank Self Evaluation Test - Cell - The Unit of Life

  • question_answer
    Channel proteins allow ions that would not normally pass through the cell membrane to go through the channel. What properties of the proteins are responsible for this?

    A) The channels are often composed of charged or polar R groups.

    B) The channels are often composed of hydrophobic R groups.

    C) Both and

    D) None of the above

    Correct Answer: A

    Solution :

    [a] The charged or polar lining of the channel proteins allows passage of polar and charged molecules.


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