AP Bio Enzymes & Reaction Rates Quiz

What is structure A?

• Substrate
• Active site
• Enzyme
• Products

Tags

NGSS.MS-LS1-7

What is structure D?

• Substrate
• Active site
• Enzyme
• Products

Tags

NGSS.MS-LS1-2

What is structure C?

• Substrate
• Active site
• Enzyme
• Products

Tags

NGSS.MS-PS1-5

How do enzymes speed up chemical reaction?

• Increasing activation energy
• Decreasing activation energy
• Increasing deactivation energy
• Decreasing deactivation energy

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 .
  

Letter B...

• active site
• enzyme
• substrate
• products

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2

Enzymes need certain environmental conditions in order to function properly.  What happens when enzymes are heated to a high temperature?

• they die
• they denature
• they change their amino acid sequence
• they work better

Tags

NGSS.HS-PS1-5

Once a new product leaves an enzyme, the enzyme is unchanged and ready for the next substrate.  What is this called?

• reusable
• catalyst
• specific
• fragile

Which of the following correctly describes enzyme structure and function?

• The shape of an enzyme is responsible for its function.

• All enzymes can bind to all substrates.

• The substrate is responsible for the shape of the enzyme.

• The location of an enzyme determines its function.

Blocking Active site of an enzyme

• competitive inhibition
• allosteric inhibition