organic molecules

Cultural  

1. The smallest units of organic compounds. Important examples of these molecules are based on chains of carbon atoms and come in four major categories: proteins, carbohydrates, lipids, and nucleic acids (DNA and RNA).

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organic molecules

Finding convincing evidence of ancient Martian life means telling apart organic molecules created by living organisms from those produced through ordinary chemistry.

From Science Daily ● Jul. 9, 2026

These primitive compartments were essentially tiny bubbles, where lipid membranes enclosed basic organic molecules.

From Science Daily ● Apr. 29, 2026

The organic molecules are not definitive evidence of past life, the NASA-led team emphasised, because they could also have formed on the red planet or crash-landed on meteorites.

From Barron's ● Apr. 21, 2026

The experiment, conducted in 2020, detected more than 20 organic molecules, including several that had never before been confirmed on Mars.

From Barron's ● Apr. 21, 2026

In the early history of our planet, however, when enormous amounts of organic molecules were being produced by sunlight in a hydrogen-rich atmosphere, very simple, nonparasitic organisms had a fighting chance.

From "Cosmos" by Carl Sagan