According to the endosymbiosis hypothesis ________.
A. the mitochondrion evolved from the same endosymbiont as the hydrogenosome
B. the first endosymbiont was a fermentative organism
C. the first endosymbiotic event involved an anaerobic bacterium
D. All of the choices are correct.
Answer: D
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Blood enters the glomerulus by an _____ and leaves by an _____
A. afferent arteriole; efferent arteriole B. efferent arteriole; afferent arteriole C. afferent arteriole; efferent venule D. efferent arteriole; afferent venule E. efferent venule; afferent arteriole
The envelope of enveloped viruses
A. does not contain spikes. B. is identical to the host plasma membrane. C. is only composed of host endomembrane. D. makes the virus very susceptible to drug therapy. E. is obtained by viral budding or exocytosis.
Leaching is caused by
a. bacterial action. b. wind. c. water. d. microbial activity. e. none of these.
Chloride ions passively follow sodium that has been actively transported out of tubular cells, due to the attraction of negatively charged ions to positively charged ions
Indicate whether the statement is true or false