Synapes & Action Potentials

The Nerve Impulse

Chemical Synapse

Transmission Across a Synapse

Sodium-Potassium Exchange

Cell Proliferation Signaling Pathway

Function of the Neuromuscular Junction

Action Potentials and Muscle Contraction

Voltage Gated Channels and the Action Potential

Action Potential Propagation in an Unmyelinated Axon

Membrane-Bound Receptors, G Proteins, and Ca2+ Channels

Receptors & Channels & Pumps

How the Sodium Potassium Pump Works

Proton Pump

Receptors Linked to a Channel Protein

Function of the Neuromuscular Junction

Intracellular Receptor Model

Membrane-Bound Receptors, G Proteins, and Ca2+ Channels

Membrane-Bound Receptors that Activate G Proteins

Second Messenger: cAMP