jh2 ch 345 T2

What is a substance called if it speeds up a chemical reaction?

• reusable
• catalyst
• specific
• fragile

With what 3 letters do enzymes typically end?

• -ose
• -ase
• -ese
• -tic

Each enzyme only has 1 substrate that will fit its active site.  What is this called?

• reusable
• catalyst
• specific
• fragile

In the diagram, what is letter A? 

• product
• substrate
• enzyme-substrate complex
• active site

Letter D...

• active site
• enzyme
• substrate
• products

Letter B...

• active site
• enzyme
• substrate
• products

Letter C...

• active site
• enzymes
• substrate
• products

Letter E...

• active site
• enzyme
• substrate
• products

Changes in pH and temperature can ___________________ an enzyme which causes it to lose its shape and affects its function.

• puncture

• denature

• double

• delete

What is the optimal pH for this enzyme?

• 6

• 10

• 9

• 7