Small Neutral Changes in Nucleic Acids Which Accumulate at a Fairly

question 26

Multiple Choice

Small neutral changes in nucleic acids which accumulate at a fairly constant rate can be used as a _________________ to determine when two species diverged from a common ancestor.

• A)cladistic clock
• B)molecular clock
• C)phylogenetic clock
• D)convergent clock
• E)parallel clock

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Definitions:

Least-cost Combination

An optimal mix of inputs that minimizes the cost of production while yielding a given level of output.

Net Gain

The difference between total revenues and total expenses, indicating the financial profitability of a transaction or activity.

Allocative Efficiency

A state of resource allocation where it is impossible to make any one individual better off without making at least one individual worse off, typically achieved when the economy effectively allocates resources to where they are most valued.

Productive Efficiency

A scenario where goods or services are produced at the lowest possible cost, often involving optimal utilization of resources.