Enzyme B helps in the process of breaking molecule A into molecules C and D. The enzyme becomes denatured, as shown. Which of the following outcomes can be expected?
Quiz #2: Enzymes

Quiz
•
Biology
•
10th Grade
•
Medium

Meagan Naraine
Used 37+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The enzyme will be able to convert molecule A into molecules C and D at a faster rate.
The enzyme will be able to reverse the reaction, combining molecules C and D into molecule A.
The enzyme will only be able to convert molecule A into molecules C and D a few more times.
The enzyme will no longer be able to aid in the reaction that breaks molecule A into molecules C and D.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The table below shows four body locations, the digestive enzymes found there, and what molecules the enzymes break down. Enzymes are substances that help stimulate chemical reactions. Use the table to answer any questions that follow.
The enzyme peptidase is responsible for breaking down protein molecules into...
fatty acids.
complex sugars.
amino acids.
simple sugars
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which graph represents the effect that enzymes have on the activation energy of a chemical reaction?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
All enzymes are examples of which type of organic molecule?
carbohydrates
lipids
proteins
nucleic acids
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is one role played by saliva in the mouth?
It helps remove any carbon dioxide present in food.
It uses enzymes to begin the process of digestion.
It helps mix food with oxygen before it is swallowed.
It mixes bacteria that help in digestion with food.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mr. Johnson is giving a lesson on enzymes in his freshman biology class. Mr. Johnson displays six beakers with either a chemical substrate or chemical enzyme in them. He tells the class that each of the substrates will spontaneously degrade over a set period of time. He asks the class to identify what would happen if he were able to apply the correct enzyme to the correct substrate. Which of the following is the best answer to give Mr. Johnson?
The reaction would stop immediately.
The reaction would be maintained.
The reaction rate would increase.
The reaction rate would decrease.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The effect of temperature on the relative rate of action of an enzyme is represented in the graph below. What is the optimum temperature for the action of this enzyme?
15°C
22°C
37°C
50°C
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