All Three Domains (Bacteria, Archaea, and Eukarya) Follow the Same

question 13

Multiple Choice

All three domains (Bacteria, Archaea, and Eukarya) follow the same genetic code. Therefore, which of the following statements would most likely be correct?

• A) The genetic code evolved three times.
• B) The genetic code evolved before DNA replaced RNA as the unit of genetic information.
• C) There were no mutations following the evolution of the genetic code.
• D) The genetic code evolved before the different domains diverged.

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Definitions:

Production Possibility Frontier

A curve depicting the maximum output combinations of two goods or services an economy can achieve when using all resources efficiently.

Economic Problem

The fundamental challenge of having limited resources to meet unlimited wants, necessitating choices and priorities in resource allocation.

Scarce Resources

Resources that are limited in supply and cannot fulfill all human wants and needs completely, leading to the necessity of choices and priorities in their use.

Marginal Rate

Often refers to the marginal tax rate, which is the tax rate applied to an additional dollar of income.