All of the Following Were Produced in Experiments on Primitive

question 17

Multiple Choice

All of the following were produced in experiments on primitive Earth conditions conducted by Miller-Urey and others,except for

• A)amino acids.
• B)organic molecules.
• C)prokaryotes.
• D)hydrogen cyanide.
• E)urea.

---

Definitions:

Oxygen Extracted

The process of removing oxygen from a compound or an environment, often to produce a specific chemical reaction.

Spiracles

Small openings on the surface of some animals, like insects, that lead to the respiratory system, allowing gas exchange.

Ventilate

To provide with a supply of fresh air by allowing air to flow through a space, often through natural or mechanical means.

Respire

The process by which living organisms take in oxygen and release carbon dioxide, involved in energy production.