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Prentice Hall Biology

Chapter 12: DNA and RNA

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(TAKS 2, Bio TEKS 6A.2)
1. The Hershey-Chase experiments on bacteriophages showed that the genetic information is carried in
A proteins.
B bacteria.

(TAKS 2, Bio TEKS 6A.2)
2. Proteins that bind to DNA regulate gene expression in
F eukaryotes but not in prokaryotes.
G prokaryotes but not in eukaryotes.
H neither eukaryotes nor prokaryotes.
J both eukaryotes and prokaryotes.

(TAKS 2, Bio TEKS 6A.2)
3. A single strand of DNA acts as a template for
B cytoplasmic DNA.
C nuclear DNA.
D ribosomes.

(TAKS 2, Bio TEKS 6B.1)
4. If one strand of DNA has the sequence of nitrogenous bases AACTG, its complementary strand has the sequence

(TAKS 2, Bio TEKS 6A.1)
5. The DNA that results from replication consists of
A one molecule with two new strands and one molecule with the two original strands.
B two molecules that each contain one new strand and one original strand.
C two molecules composed of new strands.
D two molecules composed of old strands.

(TAKS 2, Bio TEKS 6B.3)
6. Transfer RNA is important in
F synthesizing RNA codons.
G assembling ribosomes.
H transporting messenger RNA.
J adding amino acids to a polypeptide.

(TAKS 2, Bio TEKS 6C.1)
7. A frameshift mutation usually produces a
A change in the structure of ribosomal RNA.
B more drastic change than a point mutation.
C change in the appearance of a chromosome.
D new segment of DNA in several genes.

(TAKS 2, TEKS 6B.2)
8. The information that directs protein synthesis is contained in DNA's
F sugars.
G phosphate groups.
H nitrogenous bases.
J enzymes.

(TAKS 2, Bio TEKS 6A.1)
9. All nucleotides contain each of the following EXCEPT a
A protein.
B nitrogenous base.
C sugar.
D phosphate group.

10. How much pressure does a 15-N object exert on a surface with an area of 2 m2? HINT: Pressure = force/area
F 7.5 kPa
G 3.0 Pa
H 30 Pa
J 7.5 Pa