In the image above, the substance indicated as "C" is a(n) _____
a. inhibitor
b. regulatory molecule
c. substrate
d. coenzyme
e. cofactor
ANSWER: b
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The best description of the probable role that genes play in behavioral disorders is that
A) a single gene causes each of these disorders. B) the same disorder may be caused by a single gene in one individual, and solely by an environmental factor in another. C) single genes with major influences as well as small inputs from common gene variants contribute to susceptibility to behavioral disorders, perhaps involving environmental triggers. D) variants of the same gene underlie major depressive disorder, bipolar disorder, anxiety disorder, eating disorders, and schizophrenia.
What is the ultimate source of chemical energy for all living organisms?
a. photosynthesis b. cellular respiration c. ATP d. GTP e. glucose
Could any of the dinosaurs have been omnivores, i.e. eating both plants and animals? Which results support this conclusion?
a. species 2 because of the lack of a definitive amount of any of the chemicals b. species 4 because the chemical amounts appear to be intermediate betweenthose typical for carnivores and herbivores c. species 1 because of the equal amounts of starch and proteins d. species 3 because of predominance of sugar, which is found in omnivores
The underlying problem with Gaucher diseases is ___
A. the spontaneous breakdown of red blood cells B. the accumulation of fat in white blood cells C. the breakdown of the myelin sheath around nerves D. a hypertrophied spleen E. the lack of critical liver enzymes