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WorksheetsRDNA SI WEEK 4
Total questions: 19
Worksheet time: 16mins
Name
Class
Date
1.
How many nucleotides make up a codon?
a)
1
b)
3
c)
5
d)
15
2.
How many codons: AAU GCG AUG
a)
9
b)
1
c)
3
d)
15
3.
How many nucleotides? AAU GCG AUG
a)
9
b)
3
c)
1
d)
15
4.
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
5.
What is the order for Protein Synthesis?
a)
Transcription -> Translation -> Protein
b)
Translation - > Transcription -> Protein
c)
Protein -> Transcription -> Translation
d)
Translation -> Protein -> Transcription
6.
Which Seq could be found in RNA?
a)
ACCTGT
b)
CGCATT
c)
AUGCUU
7.
The codon CCU codes for what amino acid?
a)
Isoleucine
b)
Stop
c)
Methionine
d)
Proline
8.
Which amino acid pairs with the codon AGA
a)
Thr
b)
Arg
c)
Ala
d)
Glu
9.
How would the DNA sequence GCTATA be transcribed to mRNA?
a)
GCUAUA
b)
CGATAT
c)
CGAUAU
d)
GCUTUT
10.
Give the mRNA sequence bases would pair with this partial strand ATG TGA CAG
(a)
11.
DNA codes for...
a)
cholesterol
b)
proteins
c)
fatty acids
d)
a sandwich
12.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
13.
What is the relationship between a protein, the cell, and DNA?
a)
DNA is produced by protein which is produced in the cell
b)
Protein is composed of DNA which is produced in the cell
c)
DNA controls the production of protein in the cell
d)
A cell is composed of DNA and protein
14.
A change in the genetic code = ____
a)
trait
b)
genotype
c)
phenotype
d)
mutation
15.
Why is the order of amino acids so important?
(a)
16.
In what cell organelle does protein synthesis take place
(a)
17.
Which of the following is not a feature of the genetic code?
a)
Triplet
b)
Degenerate
c)
Non – overlapping
d)
Ambiguous
18.
There is one genetic code for one amino acid
a)
True
b)
False
19.
Which of the following is not a termination codon?
a)
UGA
b)
AGA
c)
AGG
d)
UAC
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