9 Weeks Test Review Question Preview (ID: 21302)


Unit 2 Organic Compounds. TEACHERS: click here for quick copy question ID numbers.

Which of the following makes reactions occur faster, with less energy and at a lower temperature?
a) competitive inhibitor
b) enzyme
c) substrate
d) noncompetitive inhibitor

What blocks the active site preventing the reactant from joining with the active site?
a) competitive inhibitor
b) enzymes
c) noncompetitive inhibitor
d) substrate

Which property of an enzyme and substrate is complementary?
a) pH
b) color
c) shape
d) temperature

water moving up the stem of a plant to the leaves
a) cohesion
b) capillary action
c) adhesion
d) pH

Lets insects from walking on water
a) cohesion
b) capillary action
c) adhesion
d) pH

In Exergonic reactions energy is
a) created
b) released
c) absorbed
d) destroyed

Water forms a meniscus in a graduated cylinder
a) cohesion
b) adhesion
c) capillary action
d) solubility

Glass filled with water and is bulging slightly over the rim is
a) cohesion
b) adhesion
c) capillary action
d) solubility

Waxy organic substance that repels water is
a) carbohydrate
b) lipid
c) nucleic acid
d) protein

water molecules attract to other water molecules is
a) cohesion
b) adhesion
c) capillary action
d) solubility

When an animal survives without food for a long time, it will eventually break down proteins for energy. This occurs after using
a) DNA and RNA
b) carbohydrate and lipids
c) carbon dioxide and water
d) enzymes and nucleic acids

Cellular respiration breaks down complex molecules into smaller units that provide energy to organisms. What are these complex molecules?
a) carbohydrates
b) lipid
c) nucleic acid
d) protein

This organic compound makes up the physical structure of the organism (skin, hair, nails).
a) carbohydrate
b) lipid
c) nucleic acid
d) protein

This organic compound is the main source of energy and is used before any other source.
a) carbohydrate
b) lipid
c) nucleic acid
d) protein

Long hydrocarbon chains that repel water are
a) Carbohydrates
b) Lipids
c) Nucleic Acid
d) Protein

The organic compound stores hereditary material.
a) carbohydrate
b) lipid
c) nucleic acid
d) protein

This organic compound stores extra energy supplies.
a) Carbohydrates
b) Lipid
c) Nucleic Acid
d) Protein

In endergonic reactions energy is
a) released and absorbed
b) released
c) absorbed
d) not needed

Glucose is an example of
a) Carbohydrate
b) Lipids
c) Nucleic Acid
d) Protein

An amino acid chain called a polypeptide is
a) Carobhydrate
b) Lipid
c) Nucleic Acid
d) Protein

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