1.2 Enzyme Vocabulary Review

What is the role of an enzyme in the body?

• It speeds up chemical reactions by lowering activation energy.

• It slows down chemical reactions by increasing activation energy.

• It provides energy for chemical reactions.

• It acts as a reactant in chemical reactions.

What is a protein made up of?

• Nucleotides

• Amino acids

• Fatty acids

• Monosaccharides

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

What is a catalyst?

• A substance that slows down a chemical reaction

• A substance that speeds up a chemical reaction without being consumed

• A product of a chemical reaction

• A reactant in a chemical reaction

Tags

NGSS.HS-PS1-5

What is activation energy?

• The energy released during a chemical reaction

• The energy needed to start a chemical reaction

• The energy stored in chemical bonds

• The energy lost in a chemical reaction

Tags

NGSS.HS-PS1-5

What are reactants?

• Substances formed as a result of a chemical reaction

• Substances that undergo change during a chemical reaction

• Substances that speed up a chemical reaction

• Substances that stop a chemical reaction

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What are products in a chemical reaction?

• Substances that start a chemical reaction

• Substances that are formed as a result of a chemical reaction

• Substances that speed up a chemical reaction

• Substances that stop a chemical reaction

Tags

NGSS.HS-PS1-6

What is denaturation?

• The process by which an enzyme gains its shape

• The process by which an enzyme or protein loses its shape

• The process by which a chemical reaction is initiated

• The process by which a chemical reaction is stopped

What does temperature measure in a system?

• The amount of light energy

• The amount of sound energy

• The amount of heat energy

• The amount of chemical energy

Tags

NGSS.HS-PS1-5

NGSS.HS-PS3-4

What does pH measure?

• The temperature of a solution

• The acidity or basicity of a solution

• The density of a solution

• The color of a solution

What is the role of a buffer?

• To speed up chemical reactions

• To maintain a stable pH in a solution

• To increase the temperature of a solution

• To decrease the temperature of a solution