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ATPases

by Thad Wilson, PhD
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    About the Lecture

    The lecture ATPases by Thad Wilson, PhD is from the course Membrane Physiology.


    Included Quiz Questions

    1. P-type
    2. V-type
    3. F-type
    4. ABC-type
    5. pore
    1. Inner gate opening
    2. Outer gate opening
    3. Sodium entry
    4. Sodium excitation
    5. Potassium release to the outside of the cell
    1. They use energy to create a gradient
    2. They undergo a conformational shape change
    3. They are bigger
    4. They don't produce an electrochemical gradient
    5. They exchange cations
    1. Energy is used to pump a substance across the cell membrane against a gradient.
    2. Energy is used to create a gradient.
    3. Energy is not necessary to create a gradient.
    4. A negative gradient is created.
    5. Ions are transported following their own gradient.
    1. …calcium into the endoplasmic reticulum away from the cytosol
    2. sodium into the endoplasmic reticulum away from the cytosol
    3. calcium out of the endoplasmic reticulum and into the cytosol
    4. sodium out of the cell membrane
    5. potassium into the cytosol
    1. …three Na+ outside the cell and two K+ inside the cell
    2. ...two Na+ outside the cell and two K+ inside the cell
    3. ...three Na+ inside the cell and two K+ outside the cell
    4. ...two Na+ inside the cell and two K+ outside the cell
    5. ...four Na+ inside the cell and two K+ outside the cell
    1. To create an electrogenic gradient
    2. To remove positive charges from the inside of the cell
    3. To remove negative charges from the outside of the cell
    4. To restore electrogenic balance
    5. To facilitate passive entry of water following sodium
    1. In the basolateral side of the cell membrane
    2. In the apical side of the cell membrane
    3. In the basal side of the cell membrane
    4. At the luminal side of tight junctions
    5. At the luminal side of gap junctions
    1. Three Sodium molecules enter the pump from the inside of the cell
    2. Three Sodium molecules enter the pump from the outside of the cell
    3. Two Potassium molecules enter the pump from the inside of the cell
    4. Three Potassium molecules enter the pump from the outside of the cell
    5. Two Sodium molecules enter the pump from the outside of the cell
    1. The hydrolysis of ATP
    2. Inorganic phosphate leaving the pump
    3. ATP binds to the pump
    4. Organic phosphate leaving the pump
    5. ADP binds to the pump

    Author of lecture ATPases

     Thad Wilson, PhD

    Thad Wilson, PhD


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