Neutral Theory Proposes That

question 18

Multiple Choice

Neutral theory proposes that

• A) molecular clocks are more reliable when the surrounding pH is close to 7.0.
• B) most mutations of highly conserved DNA sequences should have no functional effect.
• C) DNA is less susceptible to mutation when it codes for amino acid sequences whose side groups (or R groups) have a neutral pH.
• D) DNA is less susceptible to mutation when it codes for amino acid sequences whose side groups (or R groups) have a neutral electrical charge.
• E) a significant proportion of mutations are not acted upon by natural selection.

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Definitions:

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The degree to which a company can increase its profits by increasing sales, reflecting how fixed costs are leveraged against sales volume.

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The relative proportion of fixed, variable, and mixed costs in an organization.

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