WorksheetsRNA and Protein Synthesis
Total questions: 22
Worksheet time: 12mins
Name
Class
Date
1.
What is the complementary RNA strand for this DNA: A G A T C G
a)
A G A T C G
b)
G C T A G A
c)
U C U A G C
d)
T C T A G C
2.
The DNA sequence has the triplet G A T. What amino acid does it code for? (You will need to convert to RNA.)
a)
Leu
b)
Val
c)
Ala
d)
Arg
3.
How many amino acids are in a protein?
a)
3
b)
1
c)
20
d)
It can be any number
4.
The process by which messenger RNA is made from DNA is called:
a)
replication
b)
translation
c)
transcription
d)
transduction
5.
The process by which proteins are assembled (made) based on the mRNA code is called:
a)
replication
b)
translation
c)
transcription
6.
Any change in DNA (genetic code) is called
a)
replication
b)
mutation
c)
translocation
d)
transcription
7.
Unlike DNA, RNA is:
a)
a single strand
b)
a double strand
c)
has deoxyribose
d)
has phosphate
8.
Where are proteins assembled in the cell?
a)
the nucleus
b)
the ribosome
c)
the DNA
d)
the mitochondria
9.
A codon is responsible for the formation of:
a)
a complete protein
b)
a single amino acid
c)
a strand of DNA
d)
a messenger RNA
10.
Which type of RNA is responsible for bringing amino acids to the growing protein chain?
a)
rRNA
b)
mRNA
c)
tRNA
d)
qRNA
11.
Which enzyme carries out the process of transcription by adding new bases to the RNA chain?
a)
Helicase
b)
RNA Synthase
c)
RNA polymerase
d)
Ligase
12.
Regions of RNA that are removed and discarded during transcription are called:
a)
introns
b)
exons
c)
spliceosomes
d)
promoters
13.
Which of the following is found in both DNA and RNA?
a)
deoxyribose
b)
uracil
c)
thymine
d)
cytosine
14.
Where in the cell does protein synthesis take place?
a)
ribosomes
b)
nucleus
c)
golgi apparatus
d)
mitochondria
15.
Where is the anticodon found?
a)
tRNA
b)
mRNA
c)
the nucleus
d)
on the final amino acid
16.
If mutation results in an additional base being added to the gene sequence, what will occur?
a)
a silent mutation
b)
a duplication of the DNA
c)
a frameshift
d)
a translocation
17.
A single point mutation in hemoglobin can lead to what disorder?
a)
hemophilia
b)
sickle cell disease
c)
muscular dystrophy
d)
bipolar disorder
18.
Agents in the environment that cause mutations are called:
a)
histamines
b)
transposons
c)
promoters
d)
mutagens
19.
What type of chromosome mutation is shown in the image?
a)
translocation
b)
frameshift
c)
deletion
d)
inversion
20.
The genetic code is always read
a)
3 bases at a time in the same direction.
b)
4 bases at a time in the same direction.
c)
3 bases at a time and the direction varies.
d)
1 base at a time in the same direction
21.
When a chromosome undergoes a deletion mutation, information is
a)
repeated
b)
lost
c)
reversed
d)
transferred
22.
Label the image.
a)
amino acids
b)
tRNA
c)
mRNA
d)
ribosome
1
2
3
4
1)
2)
3)
4)
100 %
