Vertigo can result from:
a. an inner ear infection
b. conflicting sensory information.
c. a stroke.
d. loose particles in the semicircular canals.
e. All of these choices.
e
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All of the following hormones are lipids derived from cholesterol EXCEPT
A. melatonin. B. estradiol. C. cortisol. D. aldosterone. E. testosterone.
Produces parenchyma, collenchyma, and sclerenchyma cells.
Choose the letter of the best match: A. protoderm B. vascular cambium C. apical meristem D. procambium E. ground meristem
Which of the following is filtered from blood but NOT normally found in urine?
a. water b. red blood cells c. H+ d. amino acids e. urea
Angiosperms are different from all other plants because only they have ___________.
A. a life cycle that involves alternation of generations B. seeds C. flowers D. vascular tissue