Sequence the following events correctly
1 . Neurotransmitter diffuses across cleft.
2 . Calcium induces exocytosis of neurotransmitter.
3 . Permeability of postsynaptic membrane altered.
4 . Ion channels open.
5 . Neurotransmitter binds to receptor.
a. 1, 2, 3, 5, 4
b. 1, 4, 3, 2, 5
c. 2, 1, 5, 4, 3
d. 3, 1, 4, 5, 2
e. 5, 4, 3, 1, 2
C
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Which of the following is a factor that affects the velocity and duration of muscle contraction?
A) number of muscle fibers stimulated B) size of the muscle fibers stimulated C) load on the fiber D) muscle length
The property of living things to change position is called ________.
Fill in the blank(s) with the appropriate word(s).
Aphasia is a speech impediment due to weakness or lack of coordination of speech muscles
Indicate whether the statement is true or false
Sound energy is converted into mechanical movements by the
A) auditory ossicles. B) cochlea. C) oval window. D) round window. E) tympanic membrane.