A Scientist Created a New Auxotrophic Mutant of Bacteria That

question 41

Multiple Choice

A scientist created a new auxotrophic mutant of bacteria that is leu^- for a new Ames test.In order for the mutant to grow in the absence of leucine, a(n) _____ mutation would have to occur in the _____ gene.

• A)missense; leu^-
• B)intragenic reversion; leu^-
• C)nonsense; leu^-
• D)intergenic reversion; leu^-
• E)silent; leu^-

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Definitions:

Air Flow

The movement of air, often relevant in contexts such as ventilation, aerodynamics, and HVAC systems, to ensure appropriate air quality and comfort.

Engine Idling

The operation of an engine running at low speed while the vehicle is stationary.

Catalytic Converter Operation

The process by which a catalytic converter reduces harmful emissions from an engine's exhaust, by catalyzing a redox reaction that transforms pollutants into less harmful substances.

Fuel Delivery Control

The system or method used in managing the flow of fuel to an engine, ensuring the correct air-fuel mixture for optimal performance and efficiency.