Enzymes

The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?

• Enzymes increase the energy of the reactants.
• Enzymes decrease the energy level of the products.
• Enzyme decrease the activation energy of the reaction.
• Enzymes reverse the direction of the reaction.

Based on the graph, what is the optimal temperature for this enzyme? 

• 15^oC
• 40^oC
• 30^oC
• 35^oC

What is the function of an enzyme?

• enzymes break themselves into small pieces
• enzymes slow down chemical reactions
• enzymes speed up chemical reactions
• enzymes combine products to form reactants 

Enzymes speed up reaction rates by changing...

• Activation Energy
• pH
• Hydrogen Bonds
• Kinetic Energy

Letter B...

• active site
• enzyme
• substrate
• products

Letter C...

• active site
• enzymes
• substrate
• products

What 3 letters do enzymes typically end in?

• -ose
• -ase
• -ese
• -tic

In a chemical reaction, ________ are what you have at the end

• Products

• Molecules

• Reactants

• Substances

Which of the following can cause an enzyme to denature? (check all that apply)

• large change in pH (like adding acid to catalase)

• large change in temperature (like boiling catalase)

• water

• love

Based on the graph, what is the optimal temperature for this enzyme? 

• 15^oC
• 40^oC
• 30^oC
• 35^oC