Which pancreatic hormone stimulates the uptake of glucose by cells?
A. insulin
B. glucagon
C. epinephrine
D. estradiol
E. cortisol
Answer: A
Biology & Microbiology
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Bacterial cultures with a large number of genetically identical cells are called:
a. clone cultures. b. equal cultures. c. simple cultures. d. identical cultures. e. fresh cultures.
Biology & Microbiology
What maintains the resting membrane potential?
a. Na+-K+ pumps b. leaky sodium channels c. gated sodium channels d. leaky potassium channels e. gated potassium channels
Biology & Microbiology
A halophile would ________ in a high salt environment.
A. undergo plasmolysis B. become crenated C. form endospores D. thrive E. undergo osmotic lysis
Biology & Microbiology
Which of the following drugs inhibits nucleic acid synthesis specifically in most bacteria?
A) fluoroquinolones B) actinomycin C) rifampin D) tetracycline E) 5-fluorocytosine
Biology & Microbiology