Enzyme Quiz Prep 12/2

With what 3 letters do enzymes typically end?

• -ose
• -ase
• -ese
• -tic

Enzymes are an example of

• Lipids

• Carbohydrate

• Protein

• Nucleic Acid

In the diagram, what is letter A? 

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

Letter B...

• active site
• enzyme
• substrate
• products

Letter E...

• active site
• enzyme
• substrate
• products

An enzyme speeds up a reaction by

• lowering the activation energy.
• raising the activation energy.
• releasing energy.
• absorbing energy.

Based on the graph, what temperature does this enzyme work best? 

• 15 C
• 40 C
• 30 C
• 47 C

What happens to an enzyme when it is denatured?

• Activation energy is lowered.
• It becomes stronger.
• It loses its shape.
• Activation energy is raised.

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 .
  

Enzymes are specific. This means that an enzyme only works with molecules that are....

• the right size and shape

• broken down already

• present in water

• too big for the body to handle