Which type of secretion system is commonly used by pathogenic bacteria to inject toxic proteins directly into eukaryotic cells?

a. Sec system
b. Type I secretion system
c. Type II secretion system
d. Type III secretion system


Answer: D

Biology & Microbiology

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The parietal lobe is responsible for ____

a. vision b. sensory input c. hearing d. generating a motor response e. inhibiting unsuitable behaviors

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The disease characterized by a high blood glucose due to a deficiency of insulin production or failure of cells to respond to insulin is ________ mellitus.

Fill in the blank(s) with the appropriate word(s)

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If there are 1,000 metric tons of producers in an ecosystem, about how much of the energy in those producers will be available to secondary consumers in this ecosystem?

A) 100% B) 50% C) about 10% D) about 1% E) about 0.1%

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