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WorksheetsCodons
Total questions: 20
Worksheet time: 1hrs 18mins
Name
Class
Date
1.
What is the term for a three-nucleotide sequence that codes for an amino acid?
a)
base
b)
codon
c)
amine
d)
serine
2.
How many amino acids are coded for by this sequence of nucleotides:
ATG GGA ACT CCA
a)
4
b)
2
c)
6
d)
12
3.
What is the correct amino acid sequence for the mRNA code AUGCCAGUAUGA
a)
Met-Pro-Ala-Val
b)
Met-Pro-Val
c)
Tyr-Gly-His
d)
Tyr-Gly-Arg-His
4.
How many nucleotides make up a codon?
a)
1
b)
3
c)
5
d)
15
5.
How many codons: AAU GCG AUG
a)
9
b)
1
c)
3
d)
15
6.
How many nucleotides? AAU GCG AUG
a)
9
b)
3
c)
1
d)
15
7.
ATCAGTGAT A codon is a sequence of three nucleotides that code for an amino acid. If the DNA sequence shown here goes through transcription and translation, how many amino acids will result from this sequence?
a)
5
b)
4
c)
2
d)
3
8.
What is the order for Protein Synthesis?
a)
Transcription -> Translation -> Protein
b)
Translation - > Transcription -> Protein
c)
Protein -> Transcription -> Translation
d)
Translation -> Protein -> Transcription
9.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
10.
What is the correct amino acid sequence for the mRNA code AUGCCAGUAUGA
a)
Met-Pro-Ala-Val
b)
Met-Pro-Val
c)
Tyr-Gly-His
d)
Tyr-Gly-Arg-His
11.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
12.
What is the correct amino acid sequence for the mRNA code AUGCCAGUAUGA
a)
Met-Pro-Ala-Val
b)
Met-Pro-Val
c)
Tyr-Gly-His
d)
Tyr-Gly-Arg-His
13.
Which amino acid is coded from the mRNA codon:
AGU
AGU
a)
Arginine
b)
Serine
c)
Leucine
d)
Glycine
14.
What amino acid is represented by the codon CAG?
a)
Aspartic Acid
b)
Histidine
c)
Glutamine
d)
Methionine
15.
Translation happens in the -
a)
Nucleus
b)
Ribosome
c)
Chloroplast
d)
Smooth Endoplasmic Reticulum
16.
If you take this piece -ATT- what will the mRNA be?
a)
TAA
b)
UAA
c)
TUA
d)
UAT
17.
If you take this codon of DNA.... ATA. What will the amino acid be?
a)
Tyrosine
b)
Leucine
c)
Valine
d)
Stop
18.
If you take this piece of DNA what will the Amino Acid be.... ACT
a)
Methanine
b)
Cytosine
c)
Stop
d)
Glycine
19.
If you take this codon of DNA.... TTT. What will the amino acid be?
a)
Lysine
b)
Methanine
c)
Isoline
d)
Serine
20.
Which amino acid is made from the RNA codon GUA?
a)
Phenylalanine
b)
Leucine
c)
Serine
d)
Valine
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