Which of the Following Statements About the Pathogenic Strain 0157:H7

question 132

Multiple Choice

Which of the following statements about the pathogenic strain 0157:H7 of E. coli is true?

• A) It differs from the harmless laboratory strains of E. coli by only a few genes.
• B) It shares several genes with other pathogenic bacteria, suggesting extensive genetic exchange among these species.
• C) It is the primary cause of tuberculosis in the United States.
• D) Both a and b
• E) Both a and c

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Definitions:

Pain-killing Neurotransmitters

Chemical substances in the nervous system that reduce the sensation of pain, such as endorphins.

Foot Shocks

Unpleasant electric shocks applied to the feet, often used in behavioral experiments to study learning and conditioning.

Barbiturates

A class of drugs that are used as sedatives and hypnotics, and can affect the central nervous system.

Cocaine

A powerful stimulant drug derived from the leaves of the coca plant, often used recreationally for its euphoric effects.