Scientists Studying the Origin of Life Have Accomplished Which of the Following

question 25

Multiple Choice

Scientists studying the origin of life have accomplished which of the following steps?

• A) abiotic synthesis of protocells with self-replicating, catalytic RNA
• B) formation of vesicles that use RNA as a template for DNA synthesis
• C) formation of protocells that use DNA to direct the polymerization of amino acids
• D) abiotic synthesis of RNA's bases (A, C, G, U)

---

Definitions:

Ethanol Breakdown

The metabolic process by which ethanol is converted into acetaldehyde and then acetic acid, primarily in the liver.

Aldehyde Dehydrogenase

An enzyme that plays a crucial role in alcohol metabolism by oxidizing aldehydes into acids, reducing the toxic effects of alcohol consumption.

Acetaldehyde

A volatile, flammable, and colorless liquid compound that is an intermediate in the production of acid and alcohol metabolism.

Endergonic

Describes a reaction that requires a net input of free energy.