Each structure labeled 4 in Figure 41-1 is:
a. a node of Ranvier.
b. a cell body.
c. a dendrite.
d. a synaptic terminal.
e. an axon.
D
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Most ulcers result from an infection by the bacterium Escherichia coli
A. true B. false
Which brain structure controls the secretion of hormones in the rest of the body?
A. The cerebellum B. The hypothalamus C. The brainstem D. The thalamus
Nosocomial infections are most often caused by
A) Escherichia coli. B) Staphylococcus aureus. C) Enterococcus. D) Pseudomonas. E) Klebsiella.
To speed up the growth rate in a chemostat, the ________ should be increased. To increase the cell density as well, the ________ should be increased
a. dilution rate / dilution rate b. dilution rate / limiting nutrient c. limiting nutrient / dilution rate d. limiting nutrient / limiting nutrient