1. What is the first codon in the mRNA strand? 2. The second codon in the DNA double helix is TAT (as shown in the diagram). What is the amino acid coded by this triplet?

Human Anatomy & Physiology (11th Edition)
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Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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In the following diagram, assume that the information is read from left to right and that the codons are aligned
in the correct order. Some information has been omitted deliberately.
TAT
DNA double helix
MRNA
A G
CAG
HE
HE
TRNA
Amino acids
Trp
Second base ef codon
Three-letter
abbreviation Amino acid
Three-letter
abbreviation
UGU
UGC
Amine acid
UCU
UCC
UCA
UAU
Phe
MUC
UAC
alanine
Ala
leucine
Leu
VAA
UAG
UUA
Leu
wgnine
Arg
ysne
Lys
UGG
COU
UUG
UCG
sparagine
CCU
CAU
An
methionine
Met
CUC
Leu
CUA
Pre
CAA
CAC
apartic acid Ap
phenytalanine Phe
CCA
CGA
CUG
CCG
CAG
cystrine
proine
Pro
AUU
ACU
AAU
AGU
gutamic acid Gu
serine
Ser
leACC
Aun
AAC
AUC
AGC
putamine
The
The
threonine
AUA
ACA
AAA
AGA
EU Met ACG
AAG
AGG
ycine
tryptphan
GUU
GCU
GAU
GGU
htidne
tyroine
Tyr
He
GUC
GCC
GAC
GGC
Ala
Third t
of codon
1 8 15
Firnt bese of codon
Transcribed Image Text:In the following diagram, assume that the information is read from left to right and that the codons are aligned in the correct order. Some information has been omitted deliberately. TAT DNA double helix MRNA A G CAG HE HE TRNA Amino acids Trp Second base ef codon Three-letter abbreviation Amino acid Three-letter abbreviation UGU UGC Amine acid UCU UCC UCA UAU Phe MUC UAC alanine Ala leucine Leu VAA UAG UUA Leu wgnine Arg ysne Lys UGG COU UUG UCG sparagine CCU CAU An methionine Met CUC Leu CUA Pre CAA CAC apartic acid Ap phenytalanine Phe CCA CGA CUG CCG CAG cystrine proine Pro AUU ACU AAU AGU gutamic acid Gu serine Ser leACC Aun AAC AUC AGC putamine The The threonine AUA ACA AAA AGA EU Met ACG AAG AGG ycine tryptphan GUU GCU GAU GGU htidne tyroine Tyr He GUC GCC GAC GGC Ala Third t of codon 1 8 15 Firnt bese of codon
Second base of codon
Three-letter
abbreviation Amine acid
Three-letter
Amino acid
abbreviation
UGU
Tyr
UGC
UCU
UAU
UUC
Phe
UCC
UAC
alanine
Ala
leucine
Leu
UAA
UAG
UUA
UCA
UGA
Leu
UUG
UCG
UGG
wginine
Arg
ysine
CCU
CC
Leu
CAU
CGU
mparngine
Aan
methionine
Met
His
CUC
CAC
Pro
Arg
anpartic acid Ap
phenytatanine Phe
CUA
CCA
CAA
CGA
CAG
cysteine
Oy
profine
Pro
CUG
CCG
CGG
AUU
ACU
AAU
AGU
glutamic acid Gu
serine
Ser
AUC
le ACC
AAC AGC
The
AAA
Gin
The
AGA
glutamine
threonine
AUA
ACA
Arg
AGG
AUG Met ACG
GUU
GUC
ycine
Ntidine
AAG
Gy
tryptophan
GCU
GAU
GGU
Hs
tyrosine
Tye
GCC
Ala
GCA
GAC Gc
GAA
GGA
eucine
valine
GUA
GUG
GCG
GAG
GGG
1. What is the first codon in the mRNA strand?
2. The second codon in the DNA double helix is TAT (as shown in the diagram). What
is the amino acid coded by this triplet?
First base of codon
Third base of codon
Transcribed Image Text:Second base of codon Three-letter abbreviation Amine acid Three-letter Amino acid abbreviation UGU Tyr UGC UCU UAU UUC Phe UCC UAC alanine Ala leucine Leu UAA UAG UUA UCA UGA Leu UUG UCG UGG wginine Arg ysine CCU CC Leu CAU CGU mparngine Aan methionine Met His CUC CAC Pro Arg anpartic acid Ap phenytatanine Phe CUA CCA CAA CGA CAG cysteine Oy profine Pro CUG CCG CGG AUU ACU AAU AGU glutamic acid Gu serine Ser AUC le ACC AAC AGC The AAA Gin The AGA glutamine threonine AUA ACA Arg AGG AUG Met ACG GUU GUC ycine Ntidine AAG Gy tryptophan GCU GAU GGU Hs tyrosine Tye GCC Ala GCA GAC Gc GAA GGA eucine valine GUA GUG GCG GAG GGG 1. What is the first codon in the mRNA strand? 2. The second codon in the DNA double helix is TAT (as shown in the diagram). What is the amino acid coded by this triplet? First base of codon Third base of codon
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