WorksheetsProtein Synthesis Quiz
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
2) Select the correct set of amino acids.
a)
THR SER ILE THR MET
b)
TER SER TER TRP TYR
c)
TER TYR SER TER TRP
d)
THR SER TER TRP TYR
2.
3) What are the steps of protein synthesis?
a)
Transcription
b)
Translation
c)
Replication
d)
Migration
3.
5) A single codon is used to signal the beginning of protein synthesis. It is commonly called the START CODON. Locate the start codon on your codon chart.
What are the three bases of this codon? (in all caps, no space)
(a)
4.
6) For the sequence of DNA shown below, write the complementary mRNA sequence. (answer in all caps, no space)
DNA: CTACGGAAGT
(a)
5.
7) Transcribe AGG-CAC. Which of the following would be the correct complementary mRNA strand?
a)
AGG-CAC
b)
TCC-GTC
c)
UCC-GUG
d)
GAA-TGT
6.
8) Translate the mRNA codons CUC-AGG. Which of the following would be the correct amino acid sequence for these codons?
a)
Leu-Arg
b)
Thr-Ser
c)
Leu-Lys
d)
Met-Val
7.
9) Which amino acid does the codon ACC code for?
a)
Thr
b)
Tyr
c)
Asp
d)
Stop
8.
10) Which is the correct sequence of the Central Dogma?
a)
protein→DNA→RNA
b)
protein→RNA→DNA
c)
RNA→protein→DNA
d)
DNA→RNA→ protein
9.
11) If a portion of mRNA reads GUC-AAC, what was the original DNA sequence that coded for it?
a)
CAG-TTG
b)
GUC-AAC
c)
GTC-AAC
d)
GUC-UUC
10.
13) What is a codon?
a)
A sequence of three nucleotides in mRNA that codes for an amino acid.
b)
A sequence of amino acids in a protein.
c)
A type of tRNA molecule.
d)
A region on DNA where transcription begins.
11.
14) Where does transcription take place in eukaryotic cells?
a)
cytoplasm
b)
nucleus
c)
ribosomes
d)
mitochondria
12.
15) Where does translation take place in eukaryotic cells?
a)
cytoplasm
b)
nucleus
c)
ribosomes
d)
mitochondria
13.
16) The diagram below shows the process of protein synthesis in a cell. What are the processes P and Q?
a)
P: translation and Q: transcription
b)
P: translation and Q: replication
c)
P: transcription and Q: translation
d)
P: transcription and Q: replication
14.
17) Use your codon chart to determine the amino acid this codon codes for: AUC
a)
Met
b)
Tys
c)
Thr
d)
Ile
e)
Arg
15.
18) The overall roles of DNA and RNA are illustrated below. Which process is represented at Point 3?
a)
transcription
b)
translation
c)
replication
d)
mutation
16.
19) Two segments of DNA have the exact same number of each nucleotide. Do they necessarily code for the same protein?
a)
Yes, hereditary information is passed though the number of cytosine nucleotides in a gene.
b)
Yes, hereditary information is passed through the percentage of each nucleotide in a gene.
c)
No, hereditary information is passed through the order of the nucleotides in a gene.
d)
No, hereditary information has no relationship to the nucleotides in a gene.
17.
20) Based on the table, all of the following combinations of nucleotides will produce the peptide chain Ile-Thr-Met-Arg except:
a)
AUU – ACC – AUG – CGU.
b)
AUC – ACG – AUG – CGC.
c)
AUU – ACA – AUG – CGG.
d)
AUA – ACU – UAG – CGA.
18.
21) Which of the following is the correct order of events in protein synthesis?
a)
Translation → Transcription
b)
Transcription → Translation
c)
Replication → Transcription → Translation
d)
Translation → Replication → Transcription
19.
22) Given the following DNA sequence on the coding strand, determine the amino acid sequence that will be produced.
DNA: TAC-GTC-CAG-AAA-CTG
a)
Methionine - Glutamic Acid - Glutamine - Phenylalanine - Aspartic Acid
b)
Methionine - Glutamine - Valine - Phenylalanine - Aspartic Acid
c)
Methionine - Valine - Glutamine - Glutamic Acid - Aspartic Acid
d)
Methionine - Valine - Glutamine - Aspartic Acid - Phenylalanine
20.
Replicate the following strand of DNA:
AATCATGGA
AATCATGGA
a)
AATCATGGA
b)
TTAGTACCT
c)
UUAGUACCU
d)
GGATAUCUA
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