What Probably Accounts for the Switch to DNA-Based Genetic Systems

question 37

Multiple Choice

What probably accounts for the switch to DNA-based genetic systems during the evolution of life on Earth?

• A)DNA is chemically more stable and replicates with fewer errors (mutations)than RNA.
• B)Only DNA can replicate during cell division.
• C)RNA is too involved with translation of proteins and cannot provide multiple functions.
• D)DNA forms the rod-shaped chromosomes necessary for cell division.
• E)Replication of RNA occurs too slowly.

---

Definitions:

Free Trade

The absence of tariffs, quotas, and other restrictive regulations between countries to encourage unrestricted exchange of goods and services.

Remittances

Money sent by individuals working abroad to family members or others in their home country.

Transnational Hybrid

A business model combing elements from multiple cultural or legal frameworks, operating across national borders.

Private Sector

The part of the economy that is run by individuals and companies for profit rather than by the state.