“I'm very important,” says Nathan. “I direct the growth of cells in the brain, and I secrete chemicals to repair damaged cells.” Kate says, “Well, I'm special too. I receive messages from thousands of other cells, and my axon can conduct action potentials.” Nathan is a ____ and Kate is a ____.?
a. ?dendrite; neuron
b. ?dendrite; mitochondrion
c. ?glial cell; neuron
d. ?glial cell; mitochondrion
ANSWER:
c
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Fabrication is particularly dangerous for which of the following reasons?
A. It is impossible to detect. B. It sidetracks researchers from following more productive lines of research. C. It results in additional research into an area. D. It denies scientists credit for their work.
Alice and Grace are identical twins, but do not look exactly alike. Their different appearances are the result of
A. genetic factors. B. environmental factors and experience. C. behavioral factors. D. location factors.
Both Parkinson's disease and Huntington's disease produce damage to ______.
A. declarative memory B. nondeclarative memory C. memory of Lincoln's birthplace D. memory of what you had for breakfast
Long-term depression:
a) Can increase the strength of an excitatory synapse b) Can increase the strength of an inhibitory synapse c) Can increase the output of a neural network