Biochemistry: Key Concepts Review

What is the term for the energy needed to get a reaction started?

• Active site

• Activation energy

• Catalyst

• Enzyme

Which of the following is the part of an enzyme where the chemical reaction occurs?

• Adhesion

• Cohesion

• Active site

• Lipids

What is the term for the sticking together of particles of different substances?

• Cohesion

• Adhesion

• Homeostasis

• Metabolism

What are the monomers (building blocks) of proteins called?

• Lipids

• Enzymes

• Amino Acids

• Macromolecules

What is a substance that speeds up the rate of a chemical reaction?

• Catalyst

• Peptide

• Lipid

• Adhesion

What is the term for the sticking together of particles of the same substance?

• Adhesion

• Cohesion

• Activation energy

• Homeostasis

What are proteins that speed up chemical reactions called?

• Lipids

• Enzymes

• Amino Acids

• Macromolecules

Which property of water requires large amounts of heat for evaporation?

• High specific heat

• High heat of vaporization

• Cohesion

• Adhesion

What property of water allows it to absorb lots of heat before changing temperature?

• High specific heat

• High heat of vaporization

• Cohesion

• Adhesion

What is the tendency to maintain a balanced or constant internal state called?

• Adhesion

• Homeostasis

• Cohesion

• Activation energy