When an impulse arrives at the knob of the motor neuron, calcium
A. enters through active transport pumps and triggers the release of transmitter.
B. enters through voltage-gated channels and triggers the release of transmitter.
C. exits through active transport pumps and brings transmitter with it.
D. exits through voltage-gated channels and triggers transmitter release.
E. is released from synaptic vesicles.
B
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Answer the following statement true (T) or false (F)
Articulations permitting only slight degrees of movement are ________.
A) amphiarthroses B) synarthroses C) diarthroses D) synovial joints
Each epididymis emerges from the bottom of a testis
Indicate whether the statement is true or false
Which of the following is NOT true of long-term potentiation (LTP)?
A. Associated with the removal of AMPA glutamate receptors B. Repeated stimulation enhance excitability C. It is a form of synaptic plasticity D. Associated with insertion of AMPA glutamate receptors