Question 31 1 out of 1 points the test indicator

 Question 31
1 out of 1 points
The test indicator added to this solution was ________.
Answers:
Selected
Answer:
c. Silver nitrate
a. Iodine (Lugol's Solution)
b. Sudan IV
c. Silver nitrate
d. methylene blue
e. copper sulfate + sodium hydroxide
(CuSO
4
+ NaOH)
 Question 32
1 out of 1 points

The following exercise demonstratres
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 Question 33
1 out of 1 points
What enzyme was extracted from the potato?
Answers:
 Question 34
1 out of 1 points
Enzymes
Answers:
 Question 35
1 out of 1 points
Enzymes

Selected
Answer:
e. all of the above
a. control the speed of a reaction
b. change shapes to facilitate certain reactions
c. may place physical stress on the bonds of the
substrate
d. may require cofactors
e. all of the above
Answers:
 Question 36
1 out of 1 points
What is the optimum temperature for the enzyme catechol oxidase?
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 Question 37
1 out of 1 points
The cofactor for the catechol oxidase is not influenced by the
presence of PTU
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 Question 38
1 out of 1 points
Which of the following is NOT true of enzyme activity?

Answers:
 Question 39
1 out of 1 points
What did boiling the enzyme do to the enzyme's activity?
Answers:
Selected
Answer:
d. enzyme became denatured, no
activity
a. increased activity
b. decreased activity
c. no effect on activity
d. enzyme became denatured, no
activity
 Question 40
1 out of 1 points
The three test tubes measure enzyme activity using potato extract,
catechol and water. In test tube 1 on the left, what is the product of
the reaction?
Answers: