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Voltage gated na channel - PowerPoint PPT Presentation

The beauty of the Na + K + pump

The beauty of the Na + K + pump

The beauty of the Na + K + pump. Found along the plasma membrane of all cells. Establishes gradients, controls osmotic effects, allows for cotransport. Na + K + pump. Nerve cells have a Na + K + pump and selective permeability to Na + and K + that set up a potential

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485 views • 48 slides
Action Potentials

Action Potentials

Action Potentials. DR QAZI. OBJECTIVES. Define the action potential. Describe the changes during action potential. Discuss conduction (propagation) of action potential Describe recording of monophasic action potential. Action Potential.

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730 views • 36 slides
Action Potentials

Action Potentials

Action Potentials. DR QAZI. OBJECTIVES. Define the action potential. Describe the changes during action potential. Discuss conduction (propagation) of action potential Describe recording of monophasic action potential. Action Potential.

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373 views • 36 slides
Lecture 5: Membrane Transport and Electrical Properties

Lecture 5: Membrane Transport and Electrical Properties

Lecture 5: Membrane Transport and Electrical Properties. Ion concentrations inside and outside the cells are often different. The relative permeability of a synthetic lipid bilayer. Two main classes of membrane transport proteins. (aka carriers, permases, or transporters). Conformation

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540 views • 35 slides
Electrical and concentration gradient driving forces for Sodium and Potassium

Electrical and concentration gradient driving forces for Sodium and Potassium

S 8. What would happen to membrane potential if suddenly P Na became very great?. The G-H-K Equation!. Electrical and concentration gradient driving forces for Sodium and Potassium. Why is resting membrane potential closer to E K than E Na ?.

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607 views • 17 slides

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