Urease is an important virulence factor of which of the following?
A) Porphyromonas gingivalis
B) Vibrio cholerae
C) Escherichia coli O157:H7
D) Helicobacter pylori
E) Shigella dysenteriae
D
Bloom's Taxonomy: Comprehension
Section: Bacterial Diseases of the Digestive System
Learning Outcome: 23.8
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Which of the following describes the function of epinephrine?
a. It increases heart rate, cardiac muscle contractions, and blood-glucose levels. b. It regulates the concentration of ions in urine, sweat, and saliva. c. It regulates blood-glucose levels. d. It triggers the formation of red blood cells in the bone marrow.
Members of what group are multicellular producers?
a. Animalia b. Protista c. Fungi d. Plantae e. none of these
The smooth endoplasmic reticulum:a
is absent in most plant cells. b. synthesizes proteins. c. provides structural support. d. synthesizes lipids. e. is required for ribosome synthesis
A sample placed into fresh medium is initially in the (lag/log/stationary) phase of microbial growth in most instances
What will be an ideal response?