Enzymes Practice Test Questions
Virtual Cell Biology Classroom of Science Prof Online
Enzymes Sample Test Questions
Free review questions to help students better understand Enzymes.
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Page last updated: 8/2013
3. The substrate in this reaction is...
a. catechol b. oxygen c. catecholase d. polyphenol e. b & c
4.When an enzyme is no longer able to work, it is said to be:
a. catalyzed b. dead c. cofactored d. denatured
5. An enzyme is primarily made of:
6. When a molecule binds to an area of an enzyme that is not the active site, and changes the shape of the enzyme so that it no longer can work, this is called...
b. competitive inhibition
c. noncompetitive inhibition
d substrate delocation
7. In an enzymatic reaction, the amount of ________________ determines the amount of product produced.
a. catalyst b. reactant c. oxygen d. enzyme e. water
8. In the apple experiment, the apple was bitten in two areas. One bite we left alone. The other bite we covered with lemon juice. Why did the bitten area of the apple that was NOT covered with lemon juice turn brown?
a. the enzyme was denatured
b. accumulation of catechol
c. accumulation of polyphenol
d. accumulation of catecholase
a. fresh pineapple denatures enzymes in the Jell-o
b. fresh pineapple contains enzymes that digest the protein in Jell-o
c. fresh pineapple is too acidic
d. fresh pineapple adds extra water to the Jell-o, preventing the Jell-o from setting properly
a. are types of apoenzymes
b. are proteins
c. are inorganic cofactors
d. are organic cofactors
Examine the following reaction, and then answer the questions 1 - 3 below:
catechol + oxygen (O2)---------------> polyphenol
1. The enzyme in this reaction is...
2. The product in this reaction is...
e. a & b
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