All Three Domains (Bacteria,Archaea,and Eukarya)follow the Same Genetic Code

question 34

Multiple Choice

All three domains (Bacteria,Archaea,and Eukarya) follow the same genetic code.Which of the following statements would most likely be accurate given that information?

• 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:

Systematic Risk

The inherent risk of exposure to market changes that cannot be diversified away, affecting all securities in a similar manner.

Portfolio Beta

An evaluation of a portfolio's systemic risk in relation to the entire market's volatility.

Systematic Risk

The danger that applies to the whole market or a section of the market, which cannot be mitigated by diversifying investments.