Use The Genetic Code Chart To Fill In The Missing Spaces Page 3
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1
2
3
4Transcription and Translation Practice
Here is a DNA code for a fictional protein…..
TAC CAA AAC CCG TTA CGA AGT TTC GAG ACT TTT AAA CAT TAC ATC
Determine the corresponding DNA strand
1.
Determine the mRNA sequence that corresponds to the initial strand
2.
Use the following chart to determine the amino acid sequence
3.
Repeat the process with this strand:
4.
TAC AAC CCA GGC CCG TTA AAT TAT CAT GTA ATT CAT GGG ATC
mRNA Code Chart
Second Base
U
C
A
G
U
UUU Phe
UCU Ser
UAU Tyr
UGU Cys
C
UUC Phe
UCC Ser
UAC Try
UGC Cys
U
A
UUA Leu
UCA Ser
UAA Stop
UGA Stop
G
UUG Leu
UCG Ser
UAG Stop
UGG Trp
F
T
U
CUU Leu
CCU Pro
CAU His
CGU Arg
i
h
C
CUC Leu
CCC Pro
CAC His
CGC Arg
r
i
C
A
CUA Leu
CCA Pro
CAA Gln
CGA Arg
s
r
G
CUG Leu
CCG Pro
CAG Gln
CGG Arg
t
d
U
AUU Ile
ACU Thr
AAU Asn
AGU Ser
C
B
AUC Ile
ACC Thr
AAC Asn
AGC Ser
B
A
A
a
a
AUA Ile
ACA Thr
AAA Lys
AGA Arg
AUG Met
s
s
G
ACG Thr
AAG Lys
AGG Arg
or Start
e
e
U
GUU Val
GCU Ala
GAU Asp
GGU Gly
C
GUC Val
GCC Ala
GAC Asp
GGC Gly
G
A
GUA Val
GCA Ala
GAA Glu
GGA Gly
G
GUG Val
GCG Ala
GAG Glu
GGG Gly
Determine the mRNA code and draw the amino acid chain coded for by the following
5.
sequence.
CCT CTT TGC ACT CGG ATC GTA CGC
CCT CTT TGG ACT CGG ATC GTA CGC
Describe differences and similarities in the sequence and shape of the two amino acid
6.
chains.
Judith S. Nuño
3
2003/2004
DNA—RNA—Amino Acid Coding
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