You are studying the role of a newly discovered neurotransmitter. You find that there are receptors for this neurotransmitter on interneurons in the brain and that when it binds, it causes the opening of K+ channels. What can we expect of the postsynaptic cells under influence of this neurostransmitter?
A. There will be no change to the membrane potential in the postsynaptic cell.
B. The postsynaptic cell will undergo an IPSP.
C. The postsynaptic cell will undergo an EPSP.
D. The postsynaptic cell will immediately undergo an action potential.
Answer: B
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a. brain stem and cerebellum b. brain stem and diencephalon c. hypothalamus and thalamus d. two cerebral hemispheres e. cerebellum and spinal cord
The arrangement of ________ and ________ contributes to the flexibility of the plasma membrane.
A. protein; carbohydrate B. cholesterol; phospholipids C. cholesterol; protein D. phospholipids; protein
Which is a function of the cerebrospinal fluid?
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During what phase of mitosis do the chromosomes form a line along the equator of the cell?
A. Metaphase B. Telophase C. Prophase D. Anaphase