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