When food distends the stomach, the hormone ____ is produced, which stimulates the gastric glands
a. secretin
b. gastrin
c. cholecystokinin
d. gastric inhibitory peptide
e. lipoprotein lipase
b
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Based on the functional roles of phosphate in various microbial metabolisms, deduce which compounds phosphate exists as in microorganisms
A) organic compounds B) inorganic compounds C) both organic and inorganic compounds D) neither organic nor inorganic compounds
In all but the simplest animals, osmoregulation and excretion is carried out using tubules that are ____
a. specialized blood vessels b. part of the lining of the digestive tract c. modifications of the respiratory and digestive systems d. associated with the surface of the skin e. formed from transport epithelium
Meiosis in a diploid organism typically produces _____
a. two diploid cells b. four diploid cells c. four haploid cells d. two haploid cells e. one triploid cell
Exotic species that are introduced into a non-native
habitat can a. interbreed with native species. b. drive endemic species to extinction. c. die out due to competition from native species. d. blend in with endemic species. e. create habitat islands for themselves.