The Cholera and Escherichia Coli (Traveler's Diarrhea) Toxins ________, Leading

question 24

Multiple Choice

The cholera and Escherichia coli (traveler's diarrhea) toxins ________, leading to high levels of cAMP in cells.

• A) ADP ribosylate the Gs factor
• B) ADP ribosylate adenyl cyclase
• C) inactivate ATP
• D) are bacterial adenylate cyclase
• E) phosphorylate the G factor

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Definitions:

Triplet

A term used in quantum mechanics and spectroscopy to describe a system or state with three closely related energy levels, or a spin state of a molecule in which two unpaired electrons have parallel spins.

Test-Statistic

A value calculated from sample data during a hypothesis test that is used to determine whether to reject the null hypothesis.

Two-Tail Test

A statistical test that determines the significance of a parameter by considering both ends (tails) of the distribution to test for extreme values.

Null Hypothesis

A hypothesis used in statistics that proposes no statistical significance exists in a set of given observations.