​Until the Early 1800s, Scientists Believed That Molecules of Life

question 61

Multiple Choice

​Until the early 1800s, scientists believed that molecules of life could only be made _____.

• A) ​by prokaryotes
• B) ​by organisms with RNA genomes
• C) ​inside hydrothermal vents
• D) ​by protocells
• E) ​inside living organisms

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Definitions:

IR Spectrum

A graphical representation of infrared light absorption by molecules, used to identify and study chemical substances based on their vibrational transitions.

Organic Compound

Chemical compounds made primarily of carbon atoms in structures like chains or rings, often containing hydrogen and possibly oxygen, nitrogen, or other elements.

Absorptions

The process by which substances take in or soak up energy or material from their surroundings, often observed in spectroscopy.

IR Absorption

The process by which molecules absorb infrared light at frequencies characteristic of their structure, used in infrared spectroscopy.