Chapter 9:
Expressing Genetic Information
Practice Test
1.
What is the process in which mRNA directs amino acids to be assembled into a protein?
a.
transcription
b.
translation
c.
transportation
d.
RNA synthesis
Hint
2.
What is the part of a protein sequence that directs the cell to transport a certain protein to the correct location?
a.
the exon
b.
the frame shift
c.
the intron
d.
the signal sequence
Hint
3.
Suppose one strand of DNA has the nucleotide sequence ATT CGC ACC. What is the nucleotide sequence of the complementary RNA strand?
a.
TAA GCG TGG
b.
UAA CGC TCC
c.
UAA GCG UGG
d.
TAA GCG TCC
Hint
4.
Proteins that will become part of membranes or leave the cell are made on ribosomes that ________________ .
a.
are bound to the endoplasmic reticulum
b.
are found in the cytoplasm
c.
are attached to the nuclear membrane
d.
are bound to Golgi bodies
Hint
5.
What protein makes up cell structures of skin, hair, and feathers?
a.
keratin
b.
actin
c.
myosin
d.
collagen
Hint
6.
In what type of viral infection is the viral DNA replicated by the host cell's enzymes and cells burst to release new virus particles?
a.
long-term infections
b.
endemic infections
c.
lysogenic infections
d.
lytic infections
Hint
7.
What is the process of making messenger RNA (mRNA)?
a.
protein synthesis
b.
transcription
c.
translation
d.
transportation
Hint
8.
What is the "language" of the genes in which the nucleotide sequence of DNA specifies the amino acid sequences of proteins?
a.
transfer RNA
b.
messenger RNA
c.
the genetic code
d.
the human genome
Hint
9.
Starting from the initiation point, the grouping of bases into codons in translation is called the reading frame. What occurs if this starting point is moved by one or two nucleotides?
a.
a frame shift
b.
reverse transcription
c.
a signal sequence
d.
protein transport
Hint
10.
What is a nonliving particle of nucleic acid, protein, and sometimes a membrane, that can replicate only inside a living cell?
a.
eukaryote
b.
prokaryote
c.
virus
d.
bacterium
Hint
