The __________ Is a Factor-Independent Termination Site Found in the Leader

question 64

Multiple Choice

The __________ is a factor-independent termination site found in the leader region of certain operons,which,under the influence of ribosome behavior,controls the continued transcription of that operon.

• A)modulator
• B)operator
• C)attenuator
• D)terminator

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Definitions:

Stabilizing Selection

A type of natural selection that favors the average individuals in a population and works against extreme phenotypes.

Positive Selection

The evolutionary process in which genetic variations that are advantageous for reproduction and survival become more common in subsequent generations.

Frequency

The rate at which a particular characteristic or phenomenon occurs within a given population or area.

Fitness

In evolutionary terms, the ability of an organism to pass its genes to the next generation, often measured by the organism's reproductive success.