Oligodendrocytes form a regeneration tube to guide a regenerating nerve fiber to its proper destination
Indicate whether the statement is true or false
F
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Which muscle contracts when one smiles?
A. Frontalis B. Zygomaticus major C. Depressor anguli oris D. Orbicularis oris E. Buccinator
When using the higher power objective lenses, you would use this part of the microscope to focus the specimen.
What will be an ideal response?
The cytoskeleton has three separate components: microfilaments, intermediate filaments, and ________.
Fill in the blank(s) with the appropriate word(s).
When more action potentials arrive at the axon terminal, how is the postsynaptic cell affected?
A) Neurotransmitter release does not change, but voltages applied to the postsynaptic cell increase. B) Neurotransmitter release increases, thereby increasing the frequency or magnitude of graded potentials in the postsynaptic cell. C) Neurotransmitter release does not change, thus the postsynaptic cell behaves the same way it always behaves. D) Neurotransmitter release increases, but does not change the graded potentials that follow.