Select the correct statement about the neuromuscular junction
a. AChE activity is absent here.
b. It involves presynaptic neurons of the autonomic nervous system.
c. It is a junction between two neurons.
d. It is always excitatory.
e. The axon terminals do not store neurotransmitters.
D
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When the summed total of postsynaptic potentials rises above threshold, creation of action potentials occurs
a) in the synaptic cleft. b) in the dendrites. c) at the trigger zone. d) in the neuron nucleus. e) in the neuroplasm.
the inside of the membrane becomes more negative than the resting potential
A. Depolarization B. Repolarization C. Hyperpolarization
The functions of the plasma membrane include Separating the intracellular and extracellular compartments Metabolizing non polar compounds Determining which substances can enter and leave the cell Synthesizing its own phospholipids and proteins
What will be an ideal response?
The tapering distal portion of the stomach is known as the ____.
a) cardia b) pyloris c) fundus d) body