What property of dishwashing liquid (detergent) makes it useful to wash grease from pans?
a. solubility in water
b. permeability
c. hydrophobic nature
d. amphipathic nature
Ans: d. amphipathic nature
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What is NOT true of neutral mutations?
a. they have no effect on an individual b. they accumulate at a constant rate c. they happen at random d. they are relatively rare e. more than one of these is NOT true
Increasing the resources for one species results in the increase of predator numbers. This reduces the abundance of another prey species. This interaction is
A) indirect commensalism. B) indirect mutualism. C) apparent competition. D) apparent predation.
Place the following in order by level of resistance with highest resistance first.
A) prions, endospores, protozoan cysts, fungal spores B) prions, protozoan cysts, fungal spores, naked viruses C) endospores, fungal spores, hyphae, prions D) bacterial vegetative cells, prions, naked viruses, protozoan cysts
Which of the following regions of the brain is responsible for controlling your digestive process?
a) cerebrum b) cerebellum c) medulla d) corpus callosum