Enzymes and Macromolecule Assessment

Enzymes are considered to be 

• Lipids
• Carbohydrate
• Protein
• Nucleic Acid

What 3 letters do enzymes typically end in?

• -ose
• -ase
• -ese
• -tic

Which of the following conclusions can be drawn from this graph?

• The optimum pH of the enzyme is 6.6.
  
• The optimum pH of the enzyme is 5.8
  
• The enzyme’s activity increases as pH increases 5.0 to 9.0
  
• The enzyme’s activity is greater around pH of 8.0 .
  

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

• reusable

• catalyst

• specific

• fragile

In the diagram, what is letter A?

• product

• enzyme-substrate complex

• substrate

• active site

Letter D...

• enzyme

• active site

• substrate

• products

Letter B...

• substrate

• active site

• enzyme

• products

Letter C...

• products

• substrate

• enzymes

• active site

What is the purpose  of an enzyme?

• give permission for the reaction
• raise activation energy
• speed up reactions
• control how many reactions occur

Where do substrates bind on an enzyme?

• voltage-gated channels
• surface receptor
• calcium channels
• active site