A Current Leading Hypothesis About the First System of Inheritance

question 8

Multiple Choice

A current leading hypothesis about the first system of inheritance in the earliest life forms involves

• A)self- replicating RNA molecules aided by ribozymes.
• B)proteins that served as templates for RNA molecules,leading to the formation of DNA.
• C)self- replicating DNA molecules (the "DNA world" hypothesis).
• D)self- replicating polypeptides aided by ribosomes.

---

Definitions:

Gains From Trade

Gains from trade are the benefits obtained by countries or individuals from engaging in international trade, allowing them to consume or produce beyond their domestic capabilities.

Factor Market

A marketplace where factors of production (land, labor, capital, entrepreneurship) are bought and sold, affecting the prices and allocation of these resources.

Resource

Anything, such as land, labor, and capital, that can be used to produce something else; includes natural resources (from the physical environment) and human resources (labor, skill, intelligence).

Circular-Flow Diagram

A visual model that depicts how goods, services, and money move through an economy, illustrating the interactions between households and firms.