Diversity of Biomolecules Quiz

Carbohydrates, lipids, proteins, and nucleic acids are the major biological molecules important for all living things.

Carbon can form 4 covalent bonds, allowing it to form molecules with many different shapes.

Oxygen makes up 63% of the dry mass of living systems.

All molecules that contain carbon are called organic, except for CO2.

Only 16 of the 92 naturally occurring elements are known to be important constituents of living systems.