__________ Are Archaea That Are Typically Found in Abnormally Hot

question 23

Multiple Choice

__________ are Archaea that are typically found in abnormally hot environments.

• A) Extreme halophiles
• B) Extreme thermophiles
• C) Pyrrhanogens
• D) Methanogens
• E) Psychrophiles

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Definitions:

Tryptophan Operon

A segment of DNA in bacteria that regulates the production of tryptophan by switching the genes responsible for its synthesis on or off.

Active Repressor Protein

A protein that binds to specific DNA sequences to inhibit the transcription of certain genes, controlling gene expression.

Inactive RNA Polymerase

An RNA polymerase enzyme in a resting state that is not involved in the transcription of DNA into RNA.

Negative Control

An experiment or part of an experiment where no response is expected, serving to highlight the effect of the experimental treatment.