WorksheetsMutations Understanding Check
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
AAA GCC CCC
Becomes:
AAA AGC CCC C
This is a kind of...
Becomes:
AAA AGC CCC C
This is a kind of...
a)
... addition mutation
b)
... deletion mutation
c)
... substitution mutation
d)
... warp speed mutation
2.
Which of the following would be an example of a single substitution mutation of the codon "CCU"
a)
GGT
b)
CUU
c)
GGA
d)
GGG
3.
DNA: AAA CCC GGG
What is the transcribed mRNA?
What is the transcribed mRNA?
a)
TTT GGG CCC
b)
UUU GGG CCC
c)
UUU CCC GGG
d)
TTT CCC GGG
4.
According to this corner of the codon chart, what amino acid does "CCG" code for?
a)
Pro (proline)
b)
Leu (leucine)
c)
Ser (serine)
d)
Phe (phenyline)
5.
CTA mutates to TTA. What changes?
a)
Leucine is made instead of proline.
b)
Serine is made instead of proline.
c)
It becomes unreadable.
d)
Nothing, it's still the same amino acid.
6.
"TCA"...
a)
... codes for serine (ser)
b)
... codes for proline (pro)
c)
... codes for phenyline (phe)
d)
... codes for leucine (leu)
7.
This image shows 1/4 of the...
a)
Codon chart
b)
Transcription table
c)
Darwin diagram
d)
Mutation mastery
8.
Which of the following is false?
a)
Codon charts are only useful for eukaryotes
b)
"CCU" would code for the same amino acid in all living creatures
c)
tRNA is involved in translation
d)
Ribosomes are where translation occurs
9.
A mutation occurs in an intron. What most likely happens?
a)
Nothing
b)
The resulting protein will be malformed
c)
The cell will inevitably die
d)
Depends on whether it was addition or a deletion
10.
The "ex" in exon stands for...
a)
EXpressed
b)
EXtra
c)
EXtreme
d)
EXtuary
11.
"When the reading frame is moved one or two bases off, causing all bases after the shift to be read wrong"
a)
Frameshift
b)
Exon
c)
Anticodon
d)
Cancer
12.
Mutants are always bad.
a)
Yes
b)
No
13.
Which of the following is not a type of RNA?
a)
mRNA
b)
tRNA
c)
yRNA
d)
rRNA
14.
A ribosome is about 60% rRNA. What is the other 40%?
a)
Carbohydrate
b)
Lipid
c)
Phospholipid
d)
Protein
15.
Another name for protein is...
a)
Polysaccharide
b)
Carbohydrate
c)
Polypeptide
d)
Trans-fat
16.
How many nitrogenous bases would I need in order to code for 10 amino acids?
a)
10 bases
b)
20 bases
c)
30 bases
d)
5 bases
17.
If a "STOP" codon is accidentally created in the middle of an mRNA, what will happen?
a)
The ribosome will stop reading the mRNA at the STOP
b)
The ribosome knows to skip over the STOP and keep translating
c)
The ribosome never starts translating the mRNA to start with
d)
The ribosome explodes
18.
Your cells' DNA has the code for a tail. However, you don't have a tail. Why not?
a)
Your parents cut your tail off when you were born.
b)
The tail code is an exon.
c)
The tail code is an intron.
d)
The tail code is written in binary.
19.
Which of the following is a base that is not found in RNA?
a)
Adenine
b)
Guanine
c)
Thymine
d)
Cytosine
20.
UUC GGA CAG
Becomes...
UUA GGA CAG
Is this a frameshift?
Becomes...
UUA GGA CAG
Is this a frameshift?
a)
Yes
b)
No
100 %
