Osmosis is an example of ____
a. facilitated diffusion
b. passive transport
c. active transport
d. exocytosis
e. endocytosis
ANSWER: b
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a. 5% sheep blood agar b. Brain-heart infusion agar c. Chocolate agar d. Nutrient agar
The part of the Drosophila zygote with high bicoid concentration will
A. become the anterior region of the embryo B. become the region of the embryo that has a spiracle C. become the tail region of the embryo D. become the segment that will have wings E. become the segments that will have legs
Place these genes in their temporal order of expression from earliest to latest during Drosophila development.
A. Bicoid, Gap, Homeotic B. Homeotic, Gap, Bicoid C. Homeotic, Bicoid,Gap D. These genes are not expressed at different times during development. They are expressed at the same time, but in a different spatial order. E. Kruppel, gooseberry, even-skipped
All of the following may result from overgrowth of Clostridium difficile in the large intestine EXCEPT
A. toxic megacolon. B. pseudomembranous colitis. C. large volumes of rice-water stools. D. uncomplicated diarrhea.