Name: _________________________________
Date: ________________
Period: ____
DNA and RNA Quiz
1) Molecules of DNA are composed of long
chains of
a.
amino acids.
b.
monosaccharides.
c.
fatty acids.
d.
nucleotides.
2) Which of the following is not part of a
molecule of DNA?
a.
deoxyribose
c.
phosphate
b.
nitrogen base
d.
ribose
6) During translation,
a.
proteins are synthesized.
b.
RNA is produced.
c.
DNA is replicated.
d.
transcription occurs.
7) Each nucleotide triplet in mRNA that
specifies a particular amino acid is called a(n)
a.
mutagen.
c.
anticodon.
b.
codon.
d.
intron.
8) Each of the following is a type of RNA
except
a.
carrier RNA.
b.
ribosomal RNA.
c.
messenger RNA.
d.
transfer RNA.
3) During DNA replication, a complementary
strand of DNA is made for each original DNA
strand. Thus, if a portion of the original strand is
CCTAGCT, then the new strand will be
a.
b.
c.
d.
TTGCATG.
CCTAGCT.
AAGTATC.
GGATCGA.
4) In RNA molecules, adenine is
complementary to
a.
cytosine.
c.
b.
guanine.
d.
9) Because DNA replication is semiconservative, it results in two DNA molecules,
a.
each with two new strands.
b.
one with two new strands and the other
with two original strands.
c.
each with one new strand and one
original strand.
d.
each with two original strands.
10) In eukaryotes, DNA
a.
is located in the nucleus.
b.
is located in the ribosomes.
c.
floats freely in the cytoplasm.
d.
is circular.
thymine.
uracil.
5) During transcription, the genetic information
for making a protein is “rewritten” as a
molecule of
a.
messenger RNA.
b.
transfer RNA.
c.
ribosomal RNA.
d.
translation RNA.
11) Segments of DNA, called genes, contain
instructions for assembling
a.
pyrimidines.
b.
proteins.
c.
nucleosomes.
d.
purines.
12) The triplet code of bases for RNA
may be represented by all of the
following except-a.
c.
CGA
CGT
b.
d.
CGG
CGU
mRNA Code Charts:
13) Refer to the illustration above. Which of the following would represent the strand of DNA from
which the mRNA strand CUCAAGUGCUUC was made?
a.
b.
CUCAAGUGCUUC
GAGUUCACGAAG
c.
d.
GAGTTCACGAAG
AGACCTGTAGGA
14) Refer to the illustration above. What is the portion of the protein molecule coded for by the piece of
mRNA CUCAAGUGCUUC?
a.
b.
Ser—Tyr—Arg—Gly
Val—Asp—Pro—His
c.
d.
Leu—Lys—Cys—Phe
Pro—Glu—Leu—Val
Extra Credit Questions:
EC2) People who have been exposed to
excessive radiation often experience
mutations. If these mutations only occur
in somatic (body) cells, these people
may--
EC1)
a.
AUG
c.
GUC
Pledge:
Signature:
b.
d.
UAC
CAG
a. pass on these mutations to their offspring
b. experience difficulties replicating RNA
c. experience an increased risk of cancer
d. develop entirely new DNA sequences in
all cells