ii) If the nucleotide indicated by the highlighted bold letter undergoes a mutation that resulted in deletion of the C:G base pair, what will be the resulting amino acid sequence following transcription and translation?

Biochemistry
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Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
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ii

c) A gene in a bacteria has the following DNA sequences (the promoter sequence is
positioned to the left but is not shown):
5'-CAATCATGGAATGCCATGCTTCATATGAATAGTTGACAT-3'
3'-GTTAGTACCT TACGGTACGAAGTATACTTATCAACTGTA-5'
i) By referring to the codon table below, write the corresponding mRNA transcript and
polypeptide translated from this DNA strand.
2
Second letter
с
A
G
UUUPhe
UUC
UUA
UUG Leu
UCU
UCC
UCA
UCG
UAU Tyr
UACS
Ser
UAA Stop UGA Stop A
UGU
UGC
UAG Stop UGG Trp G
CAUTHIS
CAC
CAA Gin
CCU
ССС
CUU
CỤC
CUA
CUG
CGU
CC
Arg
Leu
Pro
ССА
CGA
A
CCG)
CAG.
CGG
G
AAU
AGU ser
AUU
ACU
Asn
AAC.
AUC Fle
AUA
AUG Met ACG
АСC
AGC
AGA Arg
Thr
ACA
AAA
AAGLYS
AGG
GAU
Asp
GAC.
GGU
GGC
Gly
GUU
GCU
GỤC
Val
GUA
GCC
Ala
GCA
GAA1
Glu
GAG.
GGA
GUG
GCGJ
GGG
G
ii) If the nucleotide indicated by the highlighted bold letter undergoes a mutation that
resulted in deletion of the C:G base pair, what will be the resulting amino acid sequence
following transcription and translation?
First letter
DUAG
Third letter
Transcribed Image Text:c) A gene in a bacteria has the following DNA sequences (the promoter sequence is positioned to the left but is not shown): 5'-CAATCATGGAATGCCATGCTTCATATGAATAGTTGACAT-3' 3'-GTTAGTACCT TACGGTACGAAGTATACTTATCAACTGTA-5' i) By referring to the codon table below, write the corresponding mRNA transcript and polypeptide translated from this DNA strand. 2 Second letter с A G UUUPhe UUC UUA UUG Leu UCU UCC UCA UCG UAU Tyr UACS Ser UAA Stop UGA Stop A UGU UGC UAG Stop UGG Trp G CAUTHIS CAC CAA Gin CCU ССС CUU CỤC CUA CUG CGU CC Arg Leu Pro ССА CGA A CCG) CAG. CGG G AAU AGU ser AUU ACU Asn AAC. AUC Fle AUA AUG Met ACG АСC AGC AGA Arg Thr ACA AAA AAGLYS AGG GAU Asp GAC. GGU GGC Gly GUU GCU GỤC Val GUA GCC Ala GCA GAA1 Glu GAG. GGA GUG GCGJ GGG G ii) If the nucleotide indicated by the highlighted bold letter undergoes a mutation that resulted in deletion of the C:G base pair, what will be the resulting amino acid sequence following transcription and translation? First letter DUAG Third letter
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