Exam 22: Neuromuscular Junction and Ec Coupling

The protein that confers Ca²⁺ sensitivity onto the myofilam ents is

In a motor neuron, the action potential typically originates at the

The acetylcholine in the neuromuscular junction is stored in the

In the neuromuscular junction, the junctional folds are folds of the

Force lags behind the Ca²⁺ transient because

Control of interaction of thin filament with thick filament in skeletal muscle is amplified because

A neurotransmitter released onto a motor neuron opens a Ca²⁺ channel. This typically causes

The acetylcholine receptor at the neuromuscular junction is located in the

All of the following are true about IPSPs EXCEPT

If we excite a motor neuron to fire an action potential in the presence of EGTA to complex all of the Ca²⁺

Spatial summation refers to

All of the following are true about EPSPs EXCEPT

Relaxation of skeletal muscle is caused by

The Ca²⁺ release channel on the SR m embrane is the

There is no force developed in the absence of Ca²⁺ because

The voltage-sensor on the muscle membrane is the

The action potential on the axon at a neuromuscular junction

Opening of acetylcholine receptors by acetylcholine directly produces

A nerve has a resting m embrane potential of -70 m V. E_Cl = -80 mV; E_K = -95 mV and E_Na = +65 mV. Increasing g_Cl should produce

The end-plate potential