Enzymes 1

What is being represented by the letter B in the image?

• Substrate
• Enzyme
• Substrate
• Product

Tags

NGSS.MS-LS1-7

What is being represented by the letter A in the image?

• Substrate
• Enzyme
• Product
• Complex

on an enzyme, the site that attaches to a substrate

• Polypeptide 
• Base
• Substrate 
• Active site 

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 .
  

The graphs show the reaction rate for an enzyme across a range of temperatures and pH.

Based on these data, this enzyme functions best as what temperature and pH?

• Temperature of 27oC and a pH of 4

• Temperature of 37oC and a pH of 6

• Temperature of 40oC and a pH of 8

• Temperature of 50oC and a pH of 10

Tags

NGSS.HS-PS1-5

The change in shape between structures 1 and 2 below can best be described as the:

• Lock & Key Model

• Induced Fit Model

• Latch & Key Model

• Molding Model

• Optimal Fit Model

What type of macromolecule are enzymes?

• Protein
• Carbohydrate
• Lipid
• Nucleic Acid

Tags

NGSS.MS-LS1-7

Which of these is most likely an enzyme?  

• Sucrose
• Galactose
• Fructose
• Amylase

Tags

NGSS.MS-LS3-1

All enzymes have...

• a specific substrate in which they act upon

• an optimum temperature

• an optimum ph

• all of the above

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

• reusable
• catalyst
• specific
• fragile

Tags

NGSS.HS-PS1-5