Chemical Reactions & Enzymes

Arrange the following as a chemical equation (reaction):

• →

• Products

• Reactants

Tags

NGSS.HS-PS1-7

Breaking chemical bonds ​ (a)   ​ energy. Making chemical bonds ​ (b)   energy.

• releases
• destroys
• creates
• requires (absorbs)

Tags

NGSS.HS-PS1-4

Enzymes are 3-dimensional molecules, meaning they have a ____ that gives them a specific structure and shape.

Enzymes are a type of which macromolecule?

• 
• 
• 
• 

Tags

NGSS.HS-LS1-1

Enzymes ​ (a)   a chemical reaction by ​ (b)   the ​ (c)   needed to start the reaction.

• speed up
• lowering
• activation energy
• slow down
• raising
• kinetic energy

Tags

NGSS.HS-PS1-4

Organize these options into the right categories

Groups:

(a) Proteins

,

(b) Enzymes

,

(c) Carbohydrates

• Protease

• Lactase

• Fructose

• Glucose

• Nuclease

• Hemoglobin

• Keratin

• Insulin

• Galactose

• Lactose

• Lipase

• Immunoglobulin

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Enzymes are neither reactants nor products of the reactions they catalyze. Instead, they are ___ after each reaction.

Label the picture that illustrates how an enzyme works.

b

c

d

e

a

Reactants

Active site

Enzyme

Enzyme-substrate complex

Products

Categorize the following characteristics as part of the lock-and-key model or the induced-fit model.

Groups:

(a) Lock-and-key model

,

(b) Induced-fit model

• 
• 
• Replaced by the other model

• The better model

Match the following factor to the correct graph of enzyme activity.

• pH

• 
• Substrate Concentration

• 
• Temperature

•