Chemical Reactions Enzymes

Arrange the following as a chemical equation (reaction):

• Products

• Reactants

• →

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Enzymes are 3-dimensional molecules, meaning they have a (a)   that gives them a specific structure and shape.

Enzymes are a type of which macromolecule?

• 
• 
• 
• 

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

In the diagram, what is letter A? 

• product

• substrate

• enzyme-substrate complex

• active site

Based on the graph, what temperature does this enzyme work best? 

• 15 C

• 40 C

• 30 C

• 47 C

The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?

• Enzymes increase the energy of the reactants.

• Enzymes decrease the energy level of the products.

• Enzyme decrease the activation energy of the reaction.

• Enzymes reverse the direction of the reaction.

Tags

NGSS.HS-PS1-5

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 

Enzymes will make a reaction go _______ and use ______ energy.

• faster, less

• faster, more

• slower, less

• slower, more

What happens to an enzyme when it is denatured?

• Activation energy is lowered.

• It becomes stronger.

• It loses its shape.

• Activation energy is raised.

Each enzyme only has 1 substrate that will fit its active site.  What is this called?

• reusable

• catalyst

• specific

• fragile