Fats are digested by which of the following?
a. aminopeptidase
b. pepsin
c. amylase
d. lipase
e. trypsin
d
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The threat of bioterrorism
A. is due largely to the ease of spread and severity of diseases. B. is exaggerated in light of the efficiency of our healthcare system. C. may include rarely seen infectious agents. D. has prompted WHO to prepare a readiness plan. E. is due largely to the ease of spread and severity of diseases AND may include rarely seen infectious agents.
In humans, only identical twins have the same
a. genotype. b. phenotype. c. traits. d. genotype and phenotype. e. genotype, phenotype, and traits.
Many studies on genetic variation in humans have been done with the perception of taste. The chemical phenylthiocarbamide (PTC) has been used extensively in these studies
Although many individuals cannot taste PTC, many individuals find the taste of PTC to be ________. A) umami B) salty C) sour D) bitter E) sweet
The resting potential of a neuron is due to all of the following except:a
potassium being at a higher concentration inside the cell than out. b. sodium being at a higher concentration outside the cell than in. c. cells being more permeable to potassium than to sodium. d. the cytosol containing large molecules having a net negative charge. e. the sodium/potassium pump transporting 3 Na+ into the cell for every 2 K+ out