If, Someday, an Archaean Cell Is Discovered Whose RRNA Sequence

question 44

Multiple Choice

If, someday, an archaean cell is discovered whose rRNA sequence is more similar to that of humans than the sequence of mouse rRNA is to that of humans, the best explanation for this apparent discrepancy would be

• A) homology.
• B) homoplasy.
• C) common ancestry.
• D) retro-evolution by humans.
• E) coevolution of humans and that archaean.

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Definitions:

Marginal Revenue Product

The additional revenue generated by employing one more unit of a resource, such as labor or capital, holding all other inputs constant.

Wage Rate

The amount of compensation paid to an employee per unit of time, often hourly or annually, reflecting the price of labor in a market.

Labor

The effort by humans to produce goods or services in exchange for wages or other forms of compensation.

Total-Product Schedule

A table showing the output or total product resulting from various quantities of inputs or resources, used in production theory.