The kidney gets rid of toxic compounds.
a. true
b. false
Ans: a. true
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Which of the following statements is a valid conclusion of this experiment?
A) Balanus can survive only in the lower intertidal zone because it is unable to resist desiccation. B) Balanus is inferior to Chthamalus in competing for space on rocks lower in the intertidal zone. C) The two species of barnacles do not compete with each other because they feed at different times of day. D) The removal of Balanus shows that the realized niche of Chthamalus is smaller than its fundamental niche. E) These two species of barnacle do not show competitive exclusion. F) If Chthamalus were removed, Balanus's fundamental niche would become larger.
Schizophrenia affects about ________ percent of the population.
A) 0.1 B) 1.0 C) 5.0 D) 10.0
Light microscopes
A) typically provide more resolution than an electron microscope. B) work by reflecting electrons off the surface of an object being studied. C) use light and glass lenses to magnify an image. D) are generally not used to view bacteria.
The Gridley stain uses:
a) periodic acid and methenamine silver b) periodic acid and Schiff reagent c) chromic acid and methenamine silver d) chromic acid and Schiff reagent