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Protein Synthesis and Mutations

Total questions: 30

Worksheet time: 36mins

Name
Class
Date
1.

Which Two Processes are part of Protein Synthesis?

a)

Transmodification

b)

Transcription

c)

Transfiguration

d)

Translation

2.

I carry amino acids from the cytoplasm to the ribosomes. Who Am I?

a)

mRNA

b)

tRNA

c)

rRNA

d)

DNA

3.

I carry a copy of the Genetic info from the nucleus to the ribosome. Who Am I?

a)

mRNA

b)

tRNA

c)

rRNA

d)

DNA

4.

Which Nitrogen Base is only found in RNA?

a)

Thymine

b)

Uracil

c)

Guanine

d)

Adenine

5.

Which below are causes for mutations?

a)

Random Chance

b)

Radiation

c)

Chemical

d)

Too Much Dust

6.
A triplet (3 bases)  of mRNA is called a
a)
codon
b)
anticodon
c)
amino acid
d)
peptide bond
7.
How many amino acids are coded for by this sequence of nucleotides:
ATG GGA  ACT
a)
4
b)
3
c)
6
d)
2
8.
Translation happens in the - 
a)
Nucleus
b)
Ribosome
c)
Chloroplast
d)
Smooth Endoplasmic Reticulum
9.
Amino acids are joined together in order to form
a)
DNA
b)
ribosomes
c)
proteins 
d)
RNA
10.
What do we call the process of turning DNA into mRNA?
a)
Translation
b)
Transcription 
c)
Replication
11.
What is the correct sequence?
a)
RNA --> DNA --> Protein
b)
Protein --> RNA --> DNA
c)
DNA --> RNA --> Protein
d)
DNA --> Protein --> RNA
12.

Where does TRANSCRIPTION occur?

a)

Nucleus

b)

Ribosome

c)

Cytoplasm

d)

Mitochondria

13.
_______ is made during transcription and ________ is made during translation.
a)
mRNA / a protein
b)
a protein / mRNA
c)
Ribosome / Nucleus
d)
mRNA / tRNA
14.
Which process is happening in this picture?
a)
Transcription
b)
Translation
c)
Replication
15.
Which amino acid is made from the RNA codon UUA?
a)
Phenylalanine
b)
Leucine
c)
Serine
d)
Tyrosine
16.
What amino acid is represented by the codon CAG?
a)
Aspartic Acid
b)
Histidine
c)
Glutamine
d)
Methionine
17.
ATTTGAGCC- Original
ATTGAGCC - Mutated
The example above is an example of a 
a)
Insertion- Frameshift
b)
Deletion- Substitution
c)
Deletion -Frameshift
d)
All of the above
18.
What process is going on in this photo? 
a)
Transcription 
b)
Translation 
c)
Replication 
d)
All the above 
19.

The following image represents which type of mutation?

a)

Insertion

b)

Deletion

c)

Spontaneous

d)

Point

20.

Sometimes, during replication, nucleotide pairs are added or lost. These errors have serious effects on the protein that is supposed to be created. They can affect the ordering of the codon sequence, causing the creation of a non-functional protein. What type of mutation do these insertions or deletions lead to?

a)

An insertion mutation

b)

A deletion mutation

c)

A frameshift mutation

d)

A point mutation

21.

During TRANSCRIPTION, a DNA strand that has the bases CTAGGT produces a strand with the bases

a)

GAUCCA

b)

GATCCA.

c)

AGCTTG.

d)

GAGCAC.

22.

Which of the following is NEVER a frameshift mutation?

a)

substitution

b)

translocation

c)

deletion

d)

duplication

23.

Which enzyme is used SPECIFICALLY for RNA transcription from DNA in the nucleus of a cell?

a)

helicase

b)

catalase

c)

DNA polymerase

d)

RNA polymerase

24.

What term describes when mRNA is read 3 consecutive letters (bases) at a time and it codes for a single amino acid?

a)

Codon

b)

Anticodon

c)

Polypeptide

d)

Gene

25.

the tRNA carries an

a)

Amino Acid

b)

Polysaccaride

c)

Lipid

d)

DNA

26.

Use your codon chart to figure out what amino acid codes for the mRNA codon AUG

a)

START

(Met)

b)

Ile

c)

Val

d)

Leu

27.

How many nucleotides equal 1 amino acid?

a)

1

b)

2

c)

3

d)

4

28.

Why must transcription occur where DNA can be found?

a)

Ribosomes are in the nucleus

b)

Helicase unzips the DNA

c)

DNA cannot leave the nucleus

d)

DNA polymerase is found there

29.

How do know when to STOP translating a strand of mRNA?

a)

you don't

b)

stop at the end of the strand

c)

when Metz tells you to

d)

the codon will read STOP on the codon chart

30.

What process is going on in this photo?

a)

DNA Replication

b)

Transcription

c)

Translation

d)

Mitosis

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