Enzymes and Macromolecules

Front

What is the main source of energy for living things?

Back

Carbohydrates are the main source of energy for living things.

Front

What type of macromolecule are enzymes classified as?

Back

Enzymes are classified as proteins.

Front

What is the site called where substrates are brought together in an enzyme-catalyzed reaction?

Back

The site is called the active site.

Front

What are all polymers made up of?

Back

All polymers are made up of monomers.

Front

What is the role of enzymes in biological reactions?

Back

Enzymes act as catalysts to speed up biological reactions by lowering the activation energy.

Front

What are the four main types of macromolecules?

Back

The four main types of macromolecules are carbohydrates, lipids, proteins, and nucleic acids.

Front

What is a substrate in the context of enzyme activity?

Back

A substrate is a reactant that an enzyme acts upon in a biochemical reaction.

Front

How do enzymes affect the activation energy of a reaction?

Back

Enzymes lower the activation energy required for a reaction to occur.

Front

What is the difference between a monosaccharide and a polysaccharide?

Back

A monosaccharide is a single sugar molecule, while a polysaccharide is a chain of multiple sugar molecules.

Front

What is the function of lipids in living organisms?

Back

Lipids serve as long-term energy storage, insulation, and make up cell membranes.