Enzymes Level 2 Review

First name

Last name

This shows the three steps of an enzyme reaction. What do we call the purple object labeled C?

• the enzyme (aka biological catalyst)
• the Substrate
• the Product
• the Active Site

What is the location on object C that the arrows are pointing to in the first scene?

• the enzyme (aka biological catalyst)
• the Substrate
• the Product
• the Active Site

What do we call the object labeled D (pink).

• the Substrate
• the Product
• the Active Site
• the enzyme

This square is another substrate. Would it bind with the enzyme in the reaction above?

• yes, any enzyme can break down any substrate
• no, this substrate is the wrong shape to fit into the active site of the enzyme
• no, this substrate's active site will not fit the enzyme

Which of the following is true?

• going from substrate to product takes LESS energy WITH an enzyme shown by the red line
• going from substrate to product takes LESS energy WITH an enzyme shown by the blue line
• going from substrate to product takes MORE energy WITH an enzyme - shown by the red line
• going from substrate to product takes MORE energy WITH an enzyme - shown by the blue line
• the graph shows that NO energy is needed to go from substrate to product

Activation Energy is...

• the amount of energy needed to make a chemical reaction happen
• the amount of energy made during a chemical reaction
• the speed of a chemical reaction - how fast the reaction happens
• the amount of product made during the reaction

The Reaction Rate is...

• the amount of energy needed to make a chemical reaction happen
• the amount of energy made during a chemical reaction
• the speed of a chemical reaction - how fast the reaction happens
• the amount of product made during the reaction

Enzymes...

• ...SLOW down chemical reactions because the INCREASE the activation energy of a reaction
• ...SLOW down chemical reactions because the LOWER the activation energy of a reaction
• ...SPEED up chemical reactions because they LOWER the activation energy of a reaction
• ...SPEED up chemical reactions because they INCREASE the activation energy of a reaction