Flashcard Review: Water and Macromolecules

Front

What macromolecule is primarily responsible for insulation and long-term energy storage?

Back

Lipid

Front

True or False: Surface tension of water is the cohesive force between water molecules, creating a film on the surface.

Back

True

Front

What is the primary function of nucleic acids in living organisms?

Back

Stores genetic information

Front

True or False: An enzyme can only be used once to speed up a chemical reaction in the cell.

Back

False

Front

What is a characteristic of lipids in biological systems?

Back

They are a major component of cell membranes.

Front

What are the four main types of macromolecules found in living organisms?

Back

Carbohydrates, Lipids, Proteins, Nucleic Acids.

Front

What is the role of carbohydrates in living organisms?

Back

Provide energy and structural support.

Front

How do enzymes affect chemical reactions in cells?

Back

They speed up reactions by lowering the activation energy.

Front

What is the structure of a typical lipid molecule?

Back

Composed of glycerol and fatty acids.

Front

What is the significance of water's high specific heat?

Back

It helps regulate temperature in organisms and environments.