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WorksheetsGenetic Material Review
Total questions: 23
Worksheet time: 12mins
Name
Class
Date
1.
What nucleotide is not included in DNA?
a)
A
b)
U
c)
T
d)
G
2.
Which nucleotide is not included in RNA?
a)
A
b)
U
c)
T
d)
G
3.
Which of the following is not a main type of RNA?
a)
mRNA
b)
rRNA
c)
tRNA
d)
sRNA
4.
Which enzyme is responsible for unwinding the DNA double helix for DNA replication?
a)
Helicase
b)
DNA Polymerase
c)
Gyrase
d)
Nuclease
5.
An insertion/deletion of a nucleotide in DNA is considered what type of mutation?
a)
Nonsense
b)
Point
c)
Frameshift
d)
Silent
6.
What type of mutation is usually considered the most harmful?
a)
Insertion/deletion
b)
Silent
c)
Point
d)
Missense
7.
In what organelle does translation occur?
a)
Nucleus
b)
Ribosome
c)
Endoplasmic Reticulum
d)
Mitochondria
8.
What is transcription?
a)
The synthesis of DNA from RNA
b)
The synthesis of DNA from DNA
c)
The synthesis of protein from RNA
d)
The synthesis of RNA from DNA
9.
What is translation?
a)
The synthesis of DNA from RNA
b)
The synthesis of DNA from DNA
c)
The synthesis of proteins from RNA
d)
The synthesis of RNA from DNA
10.
What would be the anticodon for the mRNA codon AUG?
a)
UTC
b)
AUG
c)
UAC
d)
TAC
11.
What is the function of tRNA?
a)
To carry information from the nucleus to the ribosome
b)
To recognize codons and attach the correct amino acid to create proteins
c)
To make up the ribosome
d)
To make DNA
12.
What is the mRNA sequence of the start codon?
a)
MET
b)
UAC
c)
TAC
d)
AUG
13.
Which is not a difference between DNA and RNA?
a)
Phosphate group/ No phosphate group
b)
Double-stranded/ Single-stranded
c)
The use of thymine/uracil
d)
The absence/presence of oxygen
14.
What are the three parts of a nucleotide?
a)
Nitrogen, carboxylic acid, R group
b)
Nitrogenous base, sugar, sulfur group
c)
Nitrogenous base, sugar, phosphate group
d)
Nitrogenous base, phenol, phosphate group
15.
What enzyme is responsible for connecting nucleotides?
a)
Helicase
b)
Ligase
c)
DNA Polymerase
d)
RNA Polymerase
16.
Why does eukaryotic mRNA need splicing while prokaryotic mRNA does not?
a)
Eukaryotic cells have a nucleus while prokaryotic cells do not
b)
Introns and Exons
c)
It is longer
d)
Eukaryotic cells can undergo meiosis while prokaryotic cells can not
17.
What is the central dogma of biology?
a)
DNA to mRNA to tRNA to rRNA to proteins
b)
Proteins to RNA to DNA
c)
RNA to DNA to proteins
d)
DNA to RNA to proteins
18.
What is a codon?
a)
A protein that enhances transcription
b)
A triplet of DNA that encodes for a specific amino acid
c)
A triplet of RNA that encodes for a specific amino acid
d)
A protein that enhances DNA replication
19.
What would be the mRNA sequence after transcription of the DNA sequence 5'- ATCCGT-3'?
a)
ATCCGT
b)
UAGGCA
c)
TAGGCA
d)
TGCCT
20.
What is the order of the sites in a ribosome that tRNA passes through?
a)
A,E,P
b)
A,P,E
c)
P,A,E
d)
E,A,P
21.
At what site in the ribosome are amino acids added to the growing polypeptide chain?
a)
P
b)
A
c)
E
d)
R
22.
When will translation stop in a ribosome?
a)
When the cell gets low on ATP
b)
When the cell runs low on tRNA
c)
When the cell runs low on amino acids
d)
When a stop codon is reached
23.
What will happen to a protein if there is a silent mutation?
a)
The DNA strand encoding for the protein will not be transcribed
b)
Nothing
c)
The protein will be nonfunctional
d)
The protein will not be made
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