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WorksheetsDNA Test Review
Total questions: 40
Worksheet time: 20mins
Name
Class
Date
1.
Which of the following base pairs can be found in a DNA molecule?
a)
Cytosine - Uracil
b)
Adenine - Cytosine
c)
Cytosine - Guanine
d)
Adenine - Guanine
2.
Which base pairs could be held together with hydrogen bonds?
a)
Uracil - Guanine
b)
Adenine - Guanine
c)
Cytosine - Guanine
d)
Uracil - Cytosine
3.
When mRNA is formed, which base is paired with adenine?
a)
Thymine
b)
Cytosine
c)
Guanine
d)
Uracil
4.
Which of the following is NOT a characteristic of DNA?
a)
Double-stranded
b)
Contains deoxyribose
c)
Has the nitrogenous base uracil
d)
All of the above
5.
RNA is formed in the process of ___.
a)
transcription
b)
replication
c)
translation
d)
crossing over
6.
Which type of RNA is fed through a ribosome like a tape in order to place amino acids in the correct sequence?
a)
rRNA
b)
tRNA
c)
mRNA
d)
All of these
7.
In the RNA show in the diagram, what structure is represented by the orange ball?
a)
an amino acid
b)
an anticodon
c)
a codon
d)
a gene
8.
Translation takes place in the
a)
nucleus
b)
ribosome
c)
Golgi apparatus
d)
lysosome
9.
The principle that says information flows from DNA to RNA to proteins is known as ___.
a)
the central dogma
b)
heredity
c)
genetics
d)
hybridization
10.
If a DNA strand has the base sequence ATAGGC, the complementary DNA base sequence would be ___.
a)
GCGAAT
b)
UAUCCG
c)
TATCCG
d)
None of these
11.
Which of the following are found in both DNA and RNA?
a)
ribose, phosphates and uracil
b)
deoxyribose, phosphates and uracil
c)
guanine, thymine, and phosphates
d)
guanine, cytosine, and phosphates
12.
Based on the gel electrophoresis diagram, which two species of deer are most similar in their DNA?
a)
1 and 2
b)
1 and 3
c)
2 and 3
d)
2 and 4
13.
In the diagram, what do the letters A, C, G, and U represent?
a)
sugars
b)
bases
c)
amino acids
d)
phosphates
14.
In the diagram, which type of RNA acts as the template for the sequencing of amino acids into proteins?
a)
mRNA
b)
tRNA
c)
rRNA
15.
Which is NOT a characteristic of RNA?
a)
single stranded
b)
contains cytosine
c)
contains uracil
d)
contains deoxyribose sugar
16.
How many bases code for an amino acid?
a)
1
b)
2
c)
3
d)
4
17.
If there are four amino acids in a protein sequence, how many bases would be needed to code the four amino acids?
a)
4
b)
8
c)
12
d)
16
18.
If there are four amino acids in a protein sequence, how many codons would be needed to code the four amino acids?
a)
1
b)
2
c)
3
d)
4
19.
T/F: Codons and anticodons must match complementary base pairs.
a)
True
b)
False
20.
Which type of molecule contains anticodons?
a)
DNA
b)
mRNA
c)
rRNA
d)
tRNA
21.
In translation,
a)
copies of DNA molecules are made.
b)
mRNA is made from tRNA.
c)
mRNA is made from DNA.
d)
proteins are made from mRNA.
22.
In the base sequence ACUUCGUGU, which base indicates that the molecule is RNA rather than DNA?
a)
uracil
b)
adenine
c)
guanine
d)
cytosine
23.
In mRNA, the base sequence is determined by the
a)
amino acid sequence that creates a polypeptide chain.
b)
base sequence of a tRNA molecule.
c)
base sequence of DNA
d)
complementary base pair sequence of another mRNA
24.
In the mRNA sequence UUUGGUGCU, phenylalanine is coded by UUU, alanine by GCU, and glycine by GGU. What would be the correct amino acid sequence in the polypeptide?
a)
phenylalanine-glycine-phenylalanine
b)
alanine-phenylalanine-glycine
c)
glycine-alanine-phenylalanine
d)
phenylalanine-glycine-alanine
25.
In the diagram, what molecule is represented by the two structures on the left?
a)
DNA
b)
tRNA
c)
mRNA
d)
rRNA
26.
In the diagram, what molecule is represented by the third structure on the right?
a)
DNA
b)
mRNA
c)
tRNA
d)
rRNA
27.
In the diagram, what would be the complementary base sequence in strand Y?
a)
U-C-T-G
b)
A-C-T-G
c)
A-C-U-G
d)
A-T-G-C
28.
In the diagram, what would be the complementary base sequence in strand Z?
a)
U-C-T-G
b)
A-C-T-G
c)
A-C-U-G
d)
A-T-G-C
29.
The instructions for assembling proteins are carried within ___.
a)
genes
b)
purines
c)
pyrimidines
d)
phosphates
30.
Which molecule carries an amino acid to its matching codon?
a)
DNA
b)
mRNA
c)
rRNA
d)
tRNA
31.
The diagram shows an example of a/an ___.
a)
polypeptide
b)
amino acid
c)
polymer
d)
nucleotide
32.
Which molecule carries information from the nucleus to the ribosome to tell the sequence of amino acids in a protein?
a)
DNA
b)
mRNA
c)
rRNA
d)
tRNA
33.
If a DNA segment is changed from GTCAAC to GTCAAG, this type of mutation is a/an ___.
a)
frameshift mutation
b)
point mutation
c)
inversion
d)
translation
34.
If a DNA segment is changed from TAGTAGTAG to TAGTAGTA, this type of mutation is known as a/an ___.
a)
deletion
b)
insertion
c)
inversion
d)
duplication
35.
If a DNA segment is changed from TAGTAGTAG to TAGTAGTAGT, this type of mutation is known as a/an ___.
a)
deletion
b)
insertion
c)
inversion
d)
duplication
36.
Copying DNA to DNA is known as ___.
a)
replication
b)
translation
c)
transcription
37.
Copying DNA to RNA is known as ___.
a)
replication
b)
translation
c)
transcription
38.
Copying RNA to proteins is known as ___.
a)
replication
b)
translation
c)
transcription
39.
If many copies are made of a gene, the process is called ___.
a)
replication
b)
translation
c)
transcription
40.
The "Start" codon, AUG, codes for which amino acid?
a)
methionine
b)
glycine
c)
leucine
d)
threonine
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