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

Biology & Microbiology

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Members of what group are multicellular producers?

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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?

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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.

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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

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