Enzymes

Where do substrates bind on an enzyme?

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

Enzymes are capable of increasing the rate of a chemical reaction within a living cell.  Enzymes accomplish this through which of the following means?

• reducing the number of products   
• reducing the activation energy
• increasing the temperature of the cell
• increasing the concentration of reactants 

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5

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 .
  

With what 3 letters do enzymes typically end?

• -ose
• -ase
• -ese
• -tic

Tags

NGSS.MS-LS1-7

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

Any substance that is acted upon by an enzyme is called a ______________

• Coenzyme

• Substrate

• Vitamin

• Polypeptide

In the diagram, what is letter A? 

• product
• substrate
• enzyme-substrate complex
• active site

Enzymes are...

• nucleic acids
• proteins
• lipids
• carbohydrates

Tags

NGSS.MS-LS1-7

What is another name for enzymes?

• chemical catalysts
• microorganisms
• biological catalysts
• inorganic catalysts

Letter B...

• active site
• enzyme
• substrate
• products

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2