Enzymes

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

Enzymes are an example of

• Lipids

• Carbohydrate

• Protein

• Nucleic Acid

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

What happens when enzymes are heated to a high temperature?

• The enzymes die.

• The shape of the enzyme are changed and it denatures

• The enzymes' amino acid sequence changes.

• The enzymes remain the same

Enzymes will make a reaction go _______ and use ______ energy.

• faster, less
• faster, more
• slower, less
• slower, more