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Prentice Hall Biology

Chapter 2: The Chemistry of Life

TAKS Practice Test

Click on the button next to the response that best answers the question. For best results, review Prentice Hall Biology, Chapter 2.

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(TAKS 4, IPC TEKS 9B.1)
1. Acidic solutions contain high concentrations of
A H+ ions.
B OH ions.
C water.
D oxygen.


(TAKS 2, Bio TEKS 4B.7)
2. The major functions of lipids in organisms do NOT include
F storing energy.
G supporting structures.
H forming membranes.
J waterproofing surfaces.


(TAKS 2, Bio TEKS 4B.7)
3. Amino acids are the monomers that make up proteins. The general structure of an amino acid is an amino group at one end and at the other end a(an)
A amino group.
B carboxyl group.
C hydroxyl group.
D phosphate group.


(TAKS 4, IPC TEKS 9A.1)
4. The term "universal solvent" is often used in reference to
F carbon tetrachloride.
G plasma.
H blood.
J water.


(TAKS 4, IPC TEKS 7E.1)
5. If a substance consists of only one kind of atom, it is a(an)
A mixture.
B covalent compound.
C ionic compound.
D element.


(TAKS 4, IPC TEKS 7E.2)
6. The elements or compounds formed by chemical reactions are the
F products.
G reactants.
H solids.
J gases.


(TAKS 2, Bio TEKS 4B.7)
7. The major functions of proteins in cells do NOT include
A regulating cell processes.
B transporting substances.
C storing energy.
D controlling reactions.


(TAKS 4, IPC TEKS 9A.1)
8. In polar molecules such as water, there is an uneven distribution of
F solvent.
G electrons.
H energy.
J temperature.


(TAKS 4, IPC TEKS 7E.1)
9. All atoms of the same element contain the same number of
A neutrons.
B protons.
C neutrons and electrons.
D neutrons and protons.


(TAKS 4, IPC TEKS 9B.1)
10. A solution formed of soap and water feels slippery, turns red litmus paper blue, and has a pH of 8.5. The soap and water is best described as a(an)
F neutral solution.
G acidic solution.
H corrosive solution.
J basic solution.