Enzyme Quiz

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 .

Based on the graph, what is the optimal temperature for this enzyme? 

• 15^oC
• 40^oC
• 30^oC
• 35^oC

Tags

NGSS.MS-PS1-4

What is the function of an enzyme?

• enzymes break themselves into small pieces
• enzymes slow down chemical reactions
• enzymes speed up chemical reactions
• enzymes combine products to form reactants 

Tags

NGSS.MS-PS1-2

Which of these is NOT true?

• Enzymes can denature (change shape) when the temperature gets too high.
• Enzymes can only be used once in a chemical reaction. 
• Extreme pH can denature enzymes.
• Enzymes speed up chemical reactions. 

Tags

NGSS.HS-PS1-5

The optimum temperature for an enzyme reaction is 37^oC. What happens if the temperature continues to increase until over 40^oC ?

• The enzyme is destroyed

• The enzyme denatures

• The enzyme dies

• The enzyme will still perform at its optimal reaction rate

Where do substrates bind on an enzyme?

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

What is structure A?

• Substrate
• Active site
• Enzyme
• Products

Tags

NGSS.MS-LS1-7

What 3 letters do enzymes typically end in?

• -ose
• -ase
• -ese
• -tic

(Most) enzymes are considered to be

• Lipids

• Carbohydrate

• Proteins

• Nucleic Acids