Perform the Indicated Operation. Simplify, If Possible

question 195

Multiple Choice

Perform the indicated operation. Simplify, if possible.
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Definitions:

Gene Expression

The process by which the information encoded in a gene is used to direct the assembly of a protein molecule or some form of RNA.

Serotonin Levels

The concentration of serotonin, a neurotransmitter associated with mood regulation, in the body.

Natural Selection

A process in evolution by which organisms that are better adapted to their environment tend to survive longer and transmit more of their genetic characteristics to succeeding generations.

Charles Darwin

A 19th-century naturalist best known for his contributions to the science of evolution, proposing that species evolve over time through natural selection.