Organic Compound Quiz
Matching
a.
b.
c.
d.
Nucleic Acid
Enzyme
Amino Acids
Organic Compounds
e. Carbohydrate
f. Lipid
g. Protein
____
1. Carbohydrates, Lipids, Proteins and Nucleic Acids
____
2. Organic compound used by cells for energy, insulation, and protective coatings
____
3. A protein that changes the rate of chemical reactions
____
4. Building blocks of a protein
____
5. Organic compound used by cells to provide structure to tissues and organs and helps carry out cell
metabolism
____
6. Organic compounds that store cellular information in the form of a code
____
7. Organic compound used by cells to store & release energy
All choices will be used more than once.
a. Carbohydrate
b. Lipid
____
8. Involves a peptide bonds between amino acids
____
9. Includes fats, oils, and waxes
c. Nucleic Acid
d. Protein
____ 10. Used for long-term energy storage and insulation
____ 11. Made up of nucleotides
____ 12. Used for immediate energy
____ 13. DNA is an example
____ 14. Made up of monosaccharides
____ 15. Made up of glycerol and fatty acids
____ 16. Glucose is an example
____ 17. Forms the structure of tissues and organs
____ 18. The chemical Iodine turns a deep blue-black color in the presence of this compound
____ 19. When placed on a brown paper bag, this compound leaves an oily spot
____ 20. Enzymes are an example
____ 21. Made up of amino acids
____ 22. Stores and transmits genetic information in the form of a code
____ 23. Starch, cellulose, and glycogen are all examples of this compound
____ 24. Biuret’s solution turns a purple color when in contact with this compound
Match the organic compound that would be found in these common foods.
a. Carbohydrate
b. Lipid
c. Protein
____ 25.
____ 26.
____ 27.
____ 28.
____ 29.
____ 30.
ENZYME QUIZ
Which letter represents the...
____
1. Active Site
____
2. Substrate(s)
____
3. Enzyme-Substrate Complex
____
4. Enzyme
____
5. Product(s)
____
6. What is the best (optimum) pH for the action of intestinal protease?
a.
b.
c.
d.
____
4
5
8
10
7. Enzymes affect the reactions in living things by changing the
a. products of the reaction
b. speed of the reaction
c. temperature of the reaction
d. pH of the reaction
____
8.
Which of the following will NOT affect the rate of the above chemical reaction?
a. Enzyme and substrate concentration
b. The amount of water available
c. pH
d. Temperature
____
9. What is the term used to describe the energy needed to get a reaction started?
a. Adhesion energy
b. Activation energy
c. Cohesion energy
d. Chemical energy
____ 10. An enzyme’s ____ is where ____ can bind.
a. active site, substrates
b. substrate, active sites
c. substrate, products
d. product, substrates
Short Answer
11. What is the name of the hypothesis on how enzymes work in the figure above?
12. What is the name of the hypothesis on how enzymes work in the figure above?
13. What is the optimal temperature for enzymes in the human body?
14. What is the optimal pH for enzymes in your stomach?
15. If you raise the concentration of the substrate in an enzyme catalyzed reaction, what is going to happen to the
reaction rate?
16. Describe what happens to the rate of an enzyme catalyzed reaction at the saturation point. Why?
17. Choose two of the following to answer:
a) Why is the shape of the active site important?
b) How can the shape of an active site change?
c) Explain the phrase, “Enzymes are catalysts.”
Unit#2 Review
Answer Section
MATCHING
1.
2.
3.
4.
5.
6.
7.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
D
F
B
C
G
A
E
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
1
1
1
1
1
1
1
OBJ: 2.01, 2.04
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
D
B
B
C
A
C
A
B
A
D
A
B
D
D
C
A
D
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
OBJ: 2.01
25.
26.
27.
28.
29.
30.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
C
A
B
A
C
B
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
1
1
1
1
1
1
OBJ: 2.01
31.
32.
33.
34.
35.
ANS:
ANS:
ANS:
ANS:
ANS:
B
A
D
C
E
PTS:
PTS:
PTS:
PTS:
PTS:
1
1
1
1
1
OBJ: 2.01
MULTIPLE CHOICE
36.
37.
38.
39.
40.
41.
42.
43.
44.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
A
A
B
C
B
B
B
B
A
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
1
1
1
1
1
1
1
1
1
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
2.04
2.04
2.04
2.04
2.01
2.01
SHORT ANSWER
45. ANS:
Lock and Key
PTS: 1
46. ANS:
Induced Fit
OBJ: 2.01
PTS: 1
47. ANS:
98.6 F or 37 C
PTS: 1
48. ANS:
Acid or 2
PTS: 1
49. ANS:
Increase
PTS: 1
50. ANS:
Stays the same
All active sites are full
PTS: 1
51. ANS:
Monomers are the building blocks of Polymers. Examples will vary.
PTS: 1
OBJ: 2.01
52. ANS:
a) to bond with specific substrate
b) increase/decrease heat or pH
c) catalysts increase the rate of chemical reactions -- enzymes facilitate those reactions
PTS: 1
OBJ: 2.01