Enzymes Part 2

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

• 15^oC
• 40^oC
• 30^oC
• 35^oC

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 

What happens when enzymes are heated to a high temperature?

• The enzymes die.
• The shapes of the enzyme are altered denature
• The enzymes' amino acid sequence changes.
• The enzymes remain the same

Enzymes speed up reaction rates by changing...

• Activation Energy
• pH
• Hydrogen Bonds
• Kinetic Energy

Which of these is most likely an enzyme?  

• Sucrose
• Galactose
• Fructose
• Amylase

Where do substrates bind on an enzyme?

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

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

• reusable
• catalyst
• specific
• fragile

Can a change in pH alter the active site of an enzyme

• yes

• no

Enzymes are composed of which of the following monomers? 

• amino acids
• carbohydrates
• nucleotides
• monosaccharides

What is indicated by letter A?

• enzyme
• product
• substrate
• active site