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9 Weeks Test Review
Test Description: Unit 2 Organic Compounds
Instructions: Answer all questions to get your test result.
1) Glucose is an example of
A
Carbohydrate
B
Protein
C
Nucleic Acid
D
Lipids
2) An amino acid chain called a polypeptide is
A
Carobhydrate
B
Lipid
C
Nucleic Acid
D
Protein
3) Long hydrocarbon chains that repel water are
A
Protein
B
Carbohydrates
C
Lipids
D
Nucleic Acid
4) The organic compound stores hereditary material.
A
nucleic acid
B
carbohydrate
C
lipid
D
protein
5) This organic compound stores extra energy supplies.
A
Protein
B
Nucleic Acid
C
Lipid
D
Carbohydrates
6) This organic compound is the main source of energy and is used before any other source.
A
protein
B
carbohydrate
C
nucleic acid
D
lipid
7) This organic compound makes up the physical structure of the organism (skin, hair, nails).
A
nucleic acid
B
lipid
C
carbohydrate
D
protein
8) Cellular respiration breaks down complex molecules into smaller units that provide energy to organisms. What are these complex molecules?
A
lipid
B
protein
C
nucleic acid
D
carbohydrates
9) Waxy organic substance that repels water is
A
carbohydrate
B
lipid
C
nucleic acid
D
protein
10) When an animal survives without food for a long time, it will eventually break down proteins for energy. This occurs after using
A
carbon dioxide and water
B
DNA and RNA
C
carbohydrate and lipids
D
enzymes and nucleic acids
11) Glass filled with water and is bulging slightly over the rim is
A
cohesion
B
solubility
C
capillary action
D
adhesion
12) water molecules attract to other water molecules is
A
cohesion
B
solubility
C
capillary action
D
adhesion
13) Water forms a meniscus in a graduated cylinder
A
adhesion
B
cohesion
C
capillary action
D
solubility
14) water moving up the stem of a plant to the leaves
A
cohesion
B
adhesion
C
capillary action
D
pH
15) Lets insects from walking on water
A
pH
B
adhesion
C
capillary action
D
cohesion
16) In Exergonic reactions energy is
A
released
B
created
C
destroyed
D
absorbed
17) In endergonic reactions energy is
A
released
B
not needed
C
absorbed
D
released and absorbed
18) Which property of an enzyme and substrate is complementary?
A
temperature
B
color
C
shape
D
pH
19) What blocks the active site preventing the reactant from joining with the active site?
A
competitive inhibitor
B
enzymes
C
substrate
D
noncompetitive inhibitor
20) Which of the following makes reactions occur faster, with less energy and at a lower temperature?
A
enzyme
B
substrate
C
noncompetitive inhibitor
D
competitive inhibitor
*select an answer for all questions
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