Which of the following might make the most effective medication to treat gastric ulcers?
a. A chemical that kills bacteria in the stomach
b. A chemical that stimulates the parietal cells of the gastric pits
c. A chemical that inhibits epithelial cells in the stomach that produce mucus
d. A chemical that stimulates the secretion of bile
e. A chemical that stimulates the chief cells of the gastric glands
Answer: a. A chemical that kills bacteria in the stomach
You might also like to view...
George Beadle and Edward Tatum used auxotrophs to determine their "one gene–one enzyme" hypothesis. An auxotroph is best described as:
A. a defective enzyme. B. a result of nondisjunction. C. a mutant unable to grow on minimal media. D. a wild-type version of a model organism. E. an organism with a dominant lethal mutation.
Penicillin would be most effective against
A. non-growing bacteria. B. growing bacteria. C. Gram-positive bacteria. D. Gram-negative bacteria. E. growing bacteria AND Gram-positive bacteria.
The ____________ of a comet can be up to a million kilometers in diameter
Fill in the blank(s) with correct word
Put the following stages of primary succession in the proper order
A. bushes appear B. ferns and grasses become established C. glaciers retreat D. lichens erode rocks E. mosses appear F. soil is present G. trees are established 1. first event 2. second event 3. third event 4. fourth event 5. fifth event 6. sixth event 7. seventh event