Extremophilic Bacteria Are Able to Survive in Hostile Environments,including Scalding

question 45

Multiple Choice

Extremophilic bacteria are able to survive in hostile environments,including scalding hot water as well as springs and vents that reach temperatures over 100°C.Researchers studying these bacteria measured the function of a protein from an extremophile bacterium at 100°C,and they also measured the function of a similar protein from a human cell at 100°C.Which of the following results do you think the researchers obtained?

• A)The bacterial protein functioned normally,whereas the human protein did not.
• B)The human protein functioned normally,whereas the bacterial protein did not.
• C)The bacterial protein and the human protein both functioned normally.
• D)Neither the human protein nor the bacterial protein functioned normally.

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Definitions:

Inductive Ammeter

An instrument used for measuring electrical current without the need to make direct contact with the conductor.

Black Smoke

Emission from a vehicle's exhaust, indicating incomplete combustion and the presence of excess fuel in the engine.

Combustion Chamber

The enclosed space within an engine where fuel is burned to produce power.

Oil Pressure

A measure of the force per unit area exerted by oil circulating in the lubrication system of an engine.