Why are infections caused by Pseudomonas aeruginosa rare?
A. Because the bacterium does not have a lot of virulence factors.
B. Because the bacterium cannot readily bypass intact skin.
C. The bacterium cannot withstand soap, so general hygiene is a good preventive measure.
D. The bacterium is rarely present in the environment.
Answer: B. Because the bacterium cannot readily bypass intact skin.
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Predict which of the following scenarios would be most likely to result in an action potential
A. dendrites: high-frequency IPSP; cell body: low-frequency EPSP B. dendrites: low-frequency EPSP; cell body: high-frequency IPSP C. dendrites: low-frequency IPSP; cell body: high-frequency EPSP D. dendrites: high-frequency EPSP; cell body: high-frequency IPSP
In many organisms, ____________________ functions to transfer genetic information from the nucleus to the cytoplasm
Fill in the blank(s) with correct word
Plaque is _____ caused by _____
a. an infectious disease; bacterial biofilms d. a non-infectious disease; E. coli b. a non-infectious disease; inflammation of the gums e. an infectious disease; E. coli c. an infectious disease; non-pathogenic bacteria
When food distends the stomach, the hormone ____ is produced, which stimulates the gastric glands
a. secretin b. gastrin c. cholecystokinin d. gastric inhibitory peptide e. lipoprotein lipase