A Strain of Vibrio Cholerae Has Mutated and Is No

question 26

Multiple Choice

A strain of Vibrio cholerae has mutated and is no longer able to produce cholera toxin.What is the most likely outcome of infection with this strain?

• A)The disease it produces will be very similar to that produced by toxin-producing strains.
• B)It will not be able to survive transit through the stomach so no disease will result.
• C)Without its toxin, it will not cause diarrhea.
• D)Without its toxin, it will not be able to invade the intestinal epithelial cells and establish disease.

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Definitions:

Retained Earnings

The portion of a company's profits not distributed to shareholders as dividends but instead reinvested in the business or kept as reserve.

Expected Costs

The forecasted amount of expenses that will be incurred as a result of a certain action or decision.

Interest Rates

The cost of borrowing money or the return on investment, typically expressed as a percentage.

Present Value

The contemporary valuation of a future amount of money or cash flow sequence, based on an identified rate of return.