Organic molecule

Definition

Organic molecules are compounds primarily made of carbon atoms bonded with hydrogen, oxygen, nitrogen, and other elements. They form the basis of life on Earth and are crucial for biological processes.

5 Must Know Facts For Your Next Test

1. Organic molecules include amino acids, nucleotides, carbohydrates, and lipids.
2. The presence of organic molecules is considered a key indicator of potential life in the universe.
3. Carbon's ability to form four covalent bonds makes it uniquely suited for creating complex organic structures.
4. Organic molecules have been found on comets, meteorites, and other celestial bodies, suggesting they may be widespread in the universe.
5. The study of organic molecules in space is part of astrobiology and helps scientists understand how life might arise elsewhere.

Review Questions

• What elements primarily compose organic molecules?
• Why is the presence of organic molecules significant in the search for extraterrestrial life?
• What role does carbon play in the formation of organic molecules?

Related terms

Astrobiology:

The study of life in the universe, including its origins and possible existence beyond Earth.

Amino Acids:

Organic compounds that combine to form proteins and are essential for life.

Nucleotides:

The building blocks of nucleic acids like DNA and RNA, crucial for storing genetic information.