In which way are the sympathetic and parasympathetic divisions of the autonomic system similar?
A. Both arise from the sacral spinal nerves.
B. Both use norepinephrine as their neurotransmitter.
C. Both are associated with the relaxed state (rest-and-digest).
D. Both utilize two neurons per message.
E. In both, the preganglionic neuron is shorter than the postganglionic neuron.
Answer: D
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Which is not done by ascomycetes? a. All of these are done by ascomycetes
b. Cause human yeast infections. c. Spoils fruits. d. Allows bread to rise. e. Runs fermentation to produce beer and wine.
When sodium ions diffuse into the axon’s
cytoplasm, the cytoplasm becomes
a. more positively charged. b. more negatively charged. c. neutrally charged. d. impermeable to more sodium ions. e. more than one of these
Food mixes with gastric juices in the stomach to form a thick creamy mass called chyme.
Answer the following statement true (T) or false (F)