Concept explainers
Derive the amino acid sequence that is coded for by each mRNA sequence.
- 5 CCA ACC UGG GUA GA,A 3
- 5 AUG UUU UUA UGG UGG 3
- 5 GUC GAC GAA CCG CAA 3

(a)
Interpretation:
Amino acid sequence responsible for the 5 CCA ACC UGG GUA GAA 3 mRNA code should be derived.
Concept Introduction:
Genetic code − DNA and RNA transform genetic information of the living cells through triplet code, which is a sequence of three nucleotides on DNA or RNA molecules codes for a specific amino acid in protein synthesis.
Answer to Problem 59P
Pro-Thr-Trp-Val-Glu
Explanation of Solution
Codons are written from 5 prime end (5) to 3 prime end (3) of mRNA. There is a unique triplet representation for a particular amino acid. Below mentioned table represent the relationship between nucleotides and amino acids.
The Genetic Code- Triplets in Messenger RNA
First Base (5' end) | Second Base | Third Base (3' end) | |||||||
U | C | A | G | ||||||
U | UUU | Phe | UCU | Ser | UAU | Tyr | UGU | Cys | U |
UUC | Phe | UCC | Ser | UAC | Tyr | UGC | Cys | C | |
UUA | Leu | UCA | Ser | UAA | Stop | UGA | Stop | A | |
UUG | Leu | UCG | Ser | UAG | Stop | UGG | Trp | G | |
C | CUU | Leu | CCU | Pro | CAU | His | CGU | Arg | U |
CUC | Leu | CCC | Pro | CAC | His | CGC | Arg | C | |
CUA | Leu | CCA | Pro | CAA | Gln | CGA | Arg | A | |
CUG | Leu | CCG | Pro | CAG | Gln | CGG | Arg | G | |
A | AUU | Ile | ACU | Thr | AAU | Asn | AGU | Ser | U |
AUC | Ile | ACC | Thr | AAC | Asn | AGC | Ser | C | |
AUA | Ile | ACA | Thr | AAA | Lys | AGA | Arg | A | |
AUG | Met | ACG | Thr | AAG | Lys | AGG | Arg | G | |
G | GUU | Val | GCU | Ala | GAU | Asp | GGU | Gly | U |
GUC | Val | GCC | Ala | GAC | Asp | GGC | Gly | C | |
GUA | Val | GCA | Ala | GAA | Glu | GGA | Gly | A | |
GUG | Val | GCG | Ala | GAG | Glu | GGG | Gly | G |
According to the above table; one amino acid has several triplets, but triplet code is unique for an amino acid.CCA triplet is unique for Proline.ACC triplet is unique for Threonine. UGG triplet is unique for Tryptophan.GUA triplet is unique for Valine.
Therefore, Pro-Thr-Trp-Val-Glu is the amino acid sequence for 5 CCA ACC UGG GUA GAA 3.

(b)
Interpretation:
Amino acid sequence responsible for the 5 AUG UUU UUA UGG UGG 3 mRNA code should be derived.
Concept Introduction:
Genetic code − DNA and RNA transform genetic information of the living cells through triplet code, which is a sequence of three nucleotides on DNA or RNA molecules codes for a specific amino acid in protein synthesis.
Answer to Problem 59P
Met-Phe-Leu-Trp-Trp
Explanation of Solution
Codons are written from 5 prime ends (5) to 3 prime ends (3) of mRNA. There is a unique triplet representation for a particular amino acid. The below-mentioned table represents the relationship between nucleotides and amino acids.
The Genetic Code- Triplets in Messenger RNA
First Base (5' end) | Second Base | Third Base (3' end) | |||||||
U | C | A | G | ||||||
U | UUU | Phe | UCU | Ser | UAU | Tyr | UGU | Cys | U |
UUC | Phe | UCC | Ser | UAC | Tyr | UGC | Cys | C | |
UUA | Leu | UCA | Ser | UAA | Stop | UGA | Stop | A | |
UUG | Leu | UCG | Ser | UAG | Stop | UGG | Trp | G | |
C | CUU | Leu | CCU | Pro | CAU | His | CGU | Arg | U |
CUC | Leu | CCC | Pro | CAC | His | CGC | Arg | C | |
CUA | Leu | CCA | Pro | CAA | Gln | CGA | Arg | A | |
CUG | Leu | CCG | Pro | CAG | Gln | CGG | Arg | G | |
A | AUU | Ile | ACU | Thr | AAU | Asn | AGU | Ser | U |
AUC | Ile | ACC | Thr | AAC | Asn | AGC | Ser | C | |
AUA | Ile | ACA | Thr | AAA | Lys | AGA | Arg | A | |
AUG | Met | ACG | Thr | AAG | Lys | AGG | Arg | G | |
G | GUU | Val | GCU | Ala | GAU | Asp | GGU | Gly | U |
GUC | Val | GCC | Ala | GAC | Asp | GGC | Gly | C | |
GUA | Val | GCA | Ala | GAA | Glu | GGA | Gly | A | |
GUG | Val | GCG | Ala | GAG | Glu | GGG | Gly | G |
According to the above table; one amino acid has several triplets, but triplet code is unique for an amino acid. AUG triplet is unique for Methionine. UUU triplet is unique for Phenylalanine.UUA triplet is unique for Leucine.UGG triplet is unique for Tryptophan.
Therefore, Met-Phe-Leu-Trp-Trp is the amino acid sequence for 5 AUG UUU UUA UGG UGG 3.

(c)
Interpretation:
Amino acid sequence responsible for the 5 GGG UGU AUG CAC CGA UUG 3 mRNA code should be derived.
Concept Introduction:
Genetic code − DNA and RNA transform genetic information of the living cells through triplet code, which is a sequence of three nucleotides on DNA or RNA molecules codes for a specific amino acid in protein synthesis.
Answer to Problem 59P
Val-Asp-Glu-Pro-Glu
Explanation of Solution
Codons are written from 5 prime ends (5) to 3 prime ends (3) of mRNA. There is a unique triplet representation for a particular amino acid. The below-mentioned table represents the relationship between nucleotides and amino acids.
The Genetic Code- Triplets in Messenger RNA
First Base (5' end) | Second Base | Third Base (3' end) | |||||||
U | C | A | G | ||||||
U | UUU | Phe | UCU | Ser | UAU | Tyr | UGU | Cys | U |
UUC | Phe | UCC | Ser | UAC | Tyr | UGC | Cys | C | |
UUA | Leu | UCA | Ser | UAA | Stop | UGA | Stop | A | |
UUG | Leu | UCG | Ser | UAG | Stop | UGG | Trp | G | |
C | CUU | Leu | CCU | Pro | CAU | His | CGU | Arg | U |
CUC | Leu | CCC | Pro | CAC | His | CGC | Arg | C | |
CUA | Leu | CCA | Pro | CAA | Gln | CGA | Arg | A | |
CUG | Leu | CCG | Pro | CAG | Gln | CGG | Arg | G | |
A | AUU | Ile | ACU | Thr | AAU | Asn | AGU | Ser | U |
AUC | Ile | ACC | Thr | AAC | Asn | AGC | Ser | C | |
AUA | Ile | ACA | Thr | AAA | Lys | AGA | Arg | A | |
AUG | Met | ACG | Thr | AAG | Lys | AGG | Arg | G | |
G | GUU | Val | GCU | Ala | GAU | Asp | GGU | Gly | U |
GUC | Val | GCC | Ala | GAC | Asp | GGC | Gly | C | |
GUA | Val | GCA | Ala | GAA | Glu | GGA | Gly | A | |
GUG | Val | GCG | Ala | GAG | Glu | GGG | Gly | G |
According to the above table; one amino acid has several triplets, but triplet code is unique for an amino acid. GUC triplet is unique for Valine. GAC triplet is unique for Aspartic acid. GAA triplet is unique for Glutamic acid. CCG triplet is unique for Proline. CAA triplet is unique for Glutamic acid.
Therefore, Val-Asp-Glu-Pro-Glu is the amino acid sequence for 5 GGG UGU AUG CAC CGA UUG 3.
Want to see more full solutions like this?
Chapter 22 Solutions
GENERAL,ORGANIC, & BIOLOGICAL CHEM-ACCES
- Provide the correct IUPAC name for the compound shown here. Reset cis- 5- trans- ☑ 4-6- 2- 1- 3- di iso tert- tri cyclo sec- oct but hept prop hex pent yl yne ene anearrow_forwardQ6: Predict the major product(s) for the following reactions. Note the mechanism (SN1, SN2, E1 or E2) the reaction proceeds through. If no reaction takes place, indicate why. Pay attention to stereochemistry. NaCN DMF Br σ Ilm... Br H Br H H NaCN CH3OH KOtBu tBuOH NaBr H₂O LDA Et2O (CH3)2CHOH KCN DMSO NaOH H₂O, A LDA LDA Systemarrow_forwardQ7: For the following reactions, indicate the reaction conditions that would provide the indicated product in a high yield. Note the major reaction pathway that would take place (SN1, SN2, E1, or E2) Note: There may be other products that are not shown. There maybe more than one plausible pathway. Br H3C OH H3C CI ... H3C SCH2CH3 CI i SCH2CH3 ཨ་ Br System Settarrow_forward
- Q2: Rank the compounds in each of the following groups in order of decreasing rate of solvolysis in aqueous acetone. OSO2CF3 OSO2CH3 OH a. b. CI Brarrow_forwardох 4-tert-butyl oxy cyclohex-1-ene Incorrect, 1 attempt remaining The systematic name of this compound classifies the -OR group as a substituent of the hydrocarbon, which is considered the principal functional group. The ether substituent is named with the suffix 'oxy'. The general format for the systematic name of a hydrocarbon is: [prefix/substituent] + [parent] + [functional group suffix] Substituents are listed in alphabetical order. Molecules with a chiral center will indicate the absolute configuration at the beginning of its name with the R and S notation.arrow_forward5. Compressibility (6 points total). The isothermal compressibility is a measure of how hard/easy it is to compress an object (how squishy is it?) at constant temperature. It is др defined as Br=-()=-(200²)T' (a) You might wonder why there is a negative sign in this formula. What does it mean when this quantity is positive and what does it mean when this quantity is negative? (b) Derive the formula for the isothermal compressibility of an ideal gas (it is very simple!) (c) Explain under what conditions for the ideal gas the compressibility is higher or lower, and why that makes sense.arrow_forward
- 19. (3 pts) in Chapter 7 we will see a reaction of halocyclohexanes that requires that the halogen occupy an axial position with this in mind, would you expect cis-1-bromo-3-methylcyclohexane or trans-1-bromo-3-methylcyclohexane to be more reactive in this reaction? Briefly explain your choice using structures to support your answer. Mere-eries-cecleone) The tran-i-browse-3-methylcyclohexionearrow_forwardPlease help me calculate the undiluted samples ppm concentration. My calculations were 280.11 ppm. Please see if I did my math correctly using the following standard curve. Link: https://mnscu-my.sharepoint.com/:x:/g/personal/vi2163ss_go_minnstate_edu/EVSJL_W0qrxMkUjK2J3xMUEBHDu0UM1vPKQ-bc9HTcYXDQ?e=hVuPC4arrow_forwardProvide an IUPAC name for each of the compounds shown. (Specify (E)/(Z) stereochemistry, if relevant, for straight chain alkenes only. Pay attention to commas, dashes, etc.) H₁₂C C(CH3)3 C=C H3C CH3 CH3CH2CH CI CH3 Submit Answer Retry Entire Group 2 more group attempts remaining Previous Nextarrow_forward
- Arrange the following compounds / ions in increasing nucleophilicity (least to most nucleophilic) CH3NH2 CH3C=C: CH3COO 1 2 3 5 Multiple Choice 1 point 1, 2, 3 2, 1, 3 3, 1, 2 2, 3, 1 The other answers are not correct 0000arrow_forwardcurved arrows are used to illustrate the flow of electrons. using the provided starting and product structures, draw the cured electron-pushing arrows for thw following reaction or mechanistic steps. be sure to account for all bond-breaking and bond making stepsarrow_forwardUsing the graphs could you help me explain the answers. I assumed that both graphs are proportional to the inverse of time, I think. Could you please help me.arrow_forward
- Chemistry & Chemical ReactivityChemistryISBN:9781133949640Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage LearningGeneral, Organic, and Biological ChemistryChemistryISBN:9781285853918Author:H. Stephen StokerPublisher:Cengage LearningOrganic And Biological ChemistryChemistryISBN:9781305081079Author:STOKER, H. Stephen (howard Stephen)Publisher:Cengage Learning,
- Chemistry for Today: General, Organic, and Bioche...ChemistryISBN:9781305960060Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. HansenPublisher:Cengage LearningChemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage LearningIntroductory Chemistry: An Active Learning Approa...ChemistryISBN:9781305079250Author:Mark S. Cracolice, Ed PetersPublisher:Cengage Learning





