Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Question
Chapter 4.4, Problem 20CC
Summary Introduction
To determine: The DNA codons that correspond to three mRNA stop codons.
Introduction: A codon is a triplet of
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Table 1. The Genetic Code: Codons and Their Amino Acids
First Two Nucleotides
of Codons
Last Nucleotide of Codons
The Amino Acids
A
UU
phe
phe
leu
leu
Abbreviations
Names
UC
gly
glycine
ser
ser
ser
ser
UA
tyr
tyr
term
ala
alanine
term
val
valine
UG
cys
cys
term
trp
ile
isoleucine
leu
leucine
CU
leu
leu
leu
leu
ser
serine
CC
pro
pro
pro
pro
threonine
proline
aspartate
glutamate
lysine
arginine
thr
CA
his
his
gin
gin
pro
asp
glu
lys
CG
arg
arg
arg
arg
AU
le
ile
ile
met
AC
thr
thr
thr
thr
arg
asparagine
glutamine
cysteine
methlonine
asn
AA
lys
lys
asn
asn
gin
AG
ser
ser
arg
arg
cys
met
GU
val
val
val
val
trp
phe
tryptophan
phenylalanine
tyrosine
histidine
GC
ala
ala
ala
ala
tyr
his
GA
asp
asp
glu
glu
GG
gly
gly
gly
gly
term
termination
3. Use Table 1 to read the codons below. Find the name of the amino acid and write it in the space provided. If
the letters code for more than one amino acid, separate the names by dashes.
b. UUA:
c. GAG:
d. UAUCUA:
e. AUCUUG:
f. AAGAGUUCG:
g. AAAUUUGGG:
h.…
Table 8.2
Codons in mRNA molecule and their corresponding amino acids
UUU
UUA
GCA
AAG
GOU
O nonsense
Oleucine
Refer to Table 8.2. UAU codes for which amino acid?
O lysine
O alanine
Phenylalanine UAU
leucine
UAA
alanine
lysine
valine UCG, UCU
O tyrosine
AAU
UGC
tyrosine
nonsense
asparagine
cysteine
serine
Refer to the information on the genetic
code. Use this information to determine
how many amino acids are coded for by
the mRNA sequence
AUGCGCAGUCGGUAG.
The genetic code
Second letter of codon
UAU
UAC
JUU Phenylalanine uCU
UUC Phe)
UUA Leucine (Leu)
UUG
Tyrosine (Tyr)
GCysteine (Cys)
UGC
1oStop codon
|UGG Tryptophan (Trp)
CGU
CGC
UcC
Serine (Ser)
UCA
ucc
CCU
cC Proline (Pro)
Stop codon
UAG Stop codon
CAU
Histidine His)
CU
CUC
CUA
CUG
Arginine (Arg)
Leucine (Leu)
cca
CAA
CCA
CGA
Glutamine (Gin)
CAG
AUU
AUC
AUA
ACU
Isoleucine (le)
AAU
AAC
AGU
AGC
Asparagine (Asn)
Serine (Ser)
ACC
Threonine (Thr)
ACA
Methicnine
ACC
start codon
GCU
Lysine (Lys)
AGA
Arginine (Arg)
ARC
AGS
GAU Aspartic acid (Asp)G0
GAC
GUU
GUC Valine (Val)
GCC Alanine (Ab)
GG Glycine (Gly
GUA
GUG
GCA
GCG
GA Glutamic acid (Glu) GA
GGG
GAG
4
15
First letter of codon
Third letter of codon
Chapter 4 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 4.1 - Which biomolecules always include nitrogen in...Ch. 4.1 - Prob. 2CCCh. 4.1 - What is the difference between potential energy...Ch. 4.1 - Prob. 4CCCh. 4.2 - Prob. 5CCCh. 4.2 - Prob. 6CCCh. 4.2 - Prob. 7CCCh. 4.3 - Prob. 8CCCh. 4.3 - Prob. 9CCCh. 4.3 - Prob. 10CC
Ch. 4.3 - Prob. 11CCCh. 4.4 - Name five ways in which cells regulate the...Ch. 4.4 - Prob. 13CCCh. 4.4 - Prob. 14CCCh. 4.4 - Match each component on the left to the...Ch. 4.4 - Prob. 16CCCh. 4.4 - How is the separation of mitochondria into two...Ch. 4.4 - Prob. 18CCCh. 4.4 - Prob. 19CCCh. 4.4 - Prob. 20CCCh. 4.4 - What does the name RNA polymerase tell you about...Ch. 4.4 - Explain in one or two sentences the relationship...Ch. 4.4 - Prob. 23CCCh. 4.4 - List three general types of posttranslational...Ch. 4.4 - Prob. 25CCCh. 4 - List the three basic forms of work and give a...Ch. 4 - Prob. 2RQCh. 4 - Prob. 3RQCh. 4 - Prob. 4RQCh. 4 - Prob. 5RQCh. 4 - Prob. 6RQCh. 4 - Match each definition in the left column with the...Ch. 4 - Prob. 8RQCh. 4 - Organic molecules that must be present in order...Ch. 4 - In an oxidation-reduction reaction, in which...Ch. 4 - Prob. 11RQCh. 4 - Prob. 12RQCh. 4 - Prob. 13RQCh. 4 - Metabolic regulation in which the last product of...Ch. 4 - Prob. 15RQCh. 4 - Prob. 16RQCh. 4 - Create maps using the following terms.Ch. 4 - Prob. 18RQCh. 4 - Prob. 19RQCh. 4 - Prob. 20RQCh. 4 - Prob. 21RQCh. 4 - Briefly describe the processes of transcription...Ch. 4 - On what molecule does the anticodon appear?...Ch. 4 - Is the energy of ATPs phosphate bond an example of...Ch. 4 - Prob. 25RQCh. 4 - Prob. 26RQCh. 4 - Prob. 27RQCh. 4 - Prob. 28RQ
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- On the mRNA codon table below, the first nucleotide in mRNA is to the left, the second is above, and third is to the right. On the sequence, the 5’cap is indicated by (5’). The poly (A) tail is not shown. Use the codon table to translate this short mRNA. Mark the codons and write the amino acid sequence beneath them. (5’)CGUUACAAUGUAUCGCGCGGUACUCGGCAAAGUGCCCUGAAUAGAGUUGGUA(3’) In a previous round of replication, DNA polymerase made a mistake and added a C on what is now the DNA template strand. In the space on the mRNA sequence below, write the added base. Mark the codons again and write the amino acid sequence beneath them. What do you observe? (5’)CGUUACAAUGUAU CGCGCGGUACUCGGCAAAGUGCCCUGAAUAGAGUUGGUA 3’arrow_forwardGive the amino acid sequence of the protein encoded by the mRNA in Figure 15.21.arrow_forwardThe genetic code is Random in that the codons for the same amino acid are structurally unrelated Read by pairing codons in TRNAS with anticodons in mRNAs Read by pairing anticodons in TRNAS with codons in MRNAS Redundant in that each codon can code for multiple amino acidsarrow_forward
- A small section of mRNA codons has the following sequence:UGG GAA ACC UUC Some Amino Acids Aspartate Glutamate Glutamine Isoleucine Threonine Methionine Asparagine Tryptophan Phenylalanine The amino acids listed above that are coded by the mRNA codons are Answer, Answer, Answer, and Answer.Record your answer in order from left to right codons.arrow_forwarddraw mRNA sequence for the following sequence ATGGCCCTGTGGATGCGCCTCCTGCCCCTGCTGGCGCTGCTGGCCCTCTGGGGACCTGACCCAGCCGCAGCCTTTGTGAACCAACACCTGTGCGGCTCACACCTGGTGGAAGCTCTCTACCTAGTGTGCGGGGAACGAGGCTTCTTCTACACACCCAAGACCCGCCGGGAGGCAGAGGACCTGCAGGTGGGGCAGGTGGAGCTGGGCGGGGGCCCTGGTGCAGGCAGCCTGCAGCCCTTGGCCCTGGAGGGGTCCCTGCAGAAGCGTGGCATTGTGGAACAATGCTGTACCAGCATCTGCTCCCTCTACCAGCTGGAGAACTACTGCAACTAGarrow_forwardHow many different mRNA sequences can encode a polypeptide chain with the amino acid sequence Met-Leu-Arg? (Be sure to include the stop codon.)arrow_forward
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