Enzyme Quiz

Enzymes need to have the right shape and right fit. However, Enzymes also work best at a specific ____________________ and ____________________

• Protein / Sugar

• Temperature / Polarity

• Temperature / pH

• Density / pH

Tags

NGSS.HS-PS1-5

Lactase and Lactose combine together, to break down, 

and produce Glucose and Galactose.

Which of the following is the Enzyme?

• Lactose

• Lactase

• Glucose

• Galactose

Which of the following is the Substrate?

• Lactose

• Lactase

• Glucose

• Galactose

Which of the following conclusions can be drawn from this graph?

• The optimal pH for the enzyme to work the best is 6.6.
  

• This enzyme works best in Basic environments (pH 8-14)
  

• The enzyme’s activity increases as pH increases from 7.0 to 9.0
  

• The enzyme’s activity is best around pH of 8.0 .
  

Based on the graph, what is the optimal temperature for this Enzyme? 

• 15 C

• 30 C

• 35 C

• 0 C

Catalase is able to break down Hydrogen Peroxide (2H₂O₂) into Water (H₂O) and Oxygen (O₂). What is the Substrate?

• Catalase

• Water (H₂O)

• Oxygen (O₂)

• Hydrogen Peroxide (2H₂O₂)

What letter corresponds to the Substrate in this diagram?

• A

• B

• C

• None of the Above

Tags

NGSS.HS-LS2-3

Lactase and Lactose combine together, to break down, 

and produce Glucose and Galactose.

Which of the following describes Lactose?

• Monosaccharide

• Disaccharide

• Polysaccharide

• Kochsaccharide

Lactase and Lactose combine together, to break down, and produce Glucose and Galactose. Which of the following describes Glucose?

• Monosaccharide

• Disaccharide

• Polysaccharide

• Kochsaccharide

Tags

NGSS.MS-LS1-7

Enzymes need certain environmental conditions in order to function properly. What happens when enzymes are heated to a high temperature?

• they die

• they denature

• they change their amino acid sequence

• they work better