Which of the following oligopeptides has net charge equal to zero? O Glutamate - Arginine - Aspartate - Lysine OHistidine - Glycine – Tyrosine – Cystine | O Glutamate - Alanine Phenylalanine - Proline O Tryptophan – Methionine – Lysine - Arginine
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- Which of the structures below is that of о-в-D-glucopyranosyl-(1->4)- a-D-glucoругanose CH2OH CH2OH H. OH он H Он OH OH CH2OH HOH2Ć OH он CH2OH CH2OH OH H он H он он CH2OH CH2 OH H OH он OH None of the other structures are correct.First letter U C A UUU UU JUC UUA UUG CUU CUC CUA CUG AUU AUC AUA AUG GUU GUC GUA GUG ] Phenylalanine UCU (Phe) UCC UCA UCG Leucine (Leu) Leucine (Leu) Isoleucine (Ile) Methionine (Met) Valine (Val) CCU CCC CCA CCG b) lysine c) methionine d) tryptophan ACU ACC ACA ACG GCU GCC GCA GCG C Second letter Serine (Ser) Proline (Pro) Threonine (Thr) Alanine (Ala) UAU UAC UAA UAG CAU CAC CAA CAG AAU AAC AAA AAG GAU GAC GAA GAG ] Tyrosine (Tyr) Stop Stop Histidine (His) Glutamine (Gln) Asparagine (Asn) Lysine (Lys) Aspartic acid (Asp) Glutamic acid (Glu) UGU UGC UGA Stop UGG Tryptophan (Trp) CGU CGC CGA CGG AGU AGC AGA AGG GGU GGC GGA GGG ] 1. List the mRNA base codons for the amino acids listed below. 2. a) aspartate: Cysteine (Cys) Serine (Ser) U C Arginine (Arg) A G Arginine (Arg) U C Glycine (Gly) A G U C A G U MCAG АModify the structures of D-glucose and D-mannose to show a-D-glucosyl-(1→6)-D-mannosamine. H с H2C ОН с Н ОН Ni/ с ОН Н C I ОН Н 0 Н с CH₂ ОН Н ОН NM! с ジミ Н NH₂ ОН C | Н C
- Determine whether each of the amino acids is polar, nonpolar, positively charged, or negatively charged at pH 7. Polar and neutral aspartate H Ser H₂N-C-CH₂-C-COO NH3 lysine Leu Nonpolar Answer Bank H OOC-CH₂-CH₂-C-COO NH3 Positively charged H CH₂-C-COO NH3 hydrophobic amino acids Negatively chargedIn the following scheme: HH, H₂C-C-C-Coo II HO H • NH, 1 H₂C-C-C-C000 H 2-Amino-3-ketobutyrate ↓ O H,C-C-CH₂-NH₂ Aminoacetone 0 0 H₂C-C-C-H Methylglyoxal H H₂C-C-COO OH D-Lactate O H₂C-C-C000 Pyruvate What molecule is being metabolized? Identify the reaction at each step. If it is an oxidation-reduction prove this is correct by showing oxidation state changes on the atoms in the structure.Porcine dynorphin is a neuropeptide having 17 amino acid residues. Its structure is shown below. Tyr-Gly-Gly-Phe-Leu-Arg-Arg-Ile-Arg-Pro-Lys-Leu-Lys-Trp-Asp-Asn-Gln 8. How does trypsin catalyze the hydrolysis of peptides? You can answer this question by identifying the amino acids involved and whether the hydrolysis is at their amino side or the carboxyl side or if particular amino acids end up at the N-teminal end or at the C-terminal end. 9. List down the different fragments that would result if dynorphin were cleaved by trypsin. 10. How does chymotrypsin catalyze the hydrolysis of peptides? You can answer this question by identifying the amino acids involved and whether the hydrolysis is at their amino side or the carboxyl side or if particular amino acids end up at the N-teminal end or at the C- terminal end. 11. List down the different fragments that would result if dynorphin were cleaved by chymotrypsin. 12. Cyanogen bromide is a chemical reagent which also cleaves peptide bonds.…
- Write the structure formula, three-letter and one-letter abbreviation for each essential amino acid at pH 7. Tryptophan Valine Leucine IsoleucinePorcine dynorphin is a neuropeptide having 17 amino acid residues. Its structure is shown below. Tyr-Gly-Gly-Phe-Leu-Arg-Arg-Ile-Arg-Pro-Lys-Leu-Lys-Trp-Asp-Asn-Gln How does trypsin catalyze the hydrolysis of peptides? You can answer this question by identifying the amino acids involved and whether the hydrolysis is at their amino side or the carboxyl side or if particular amino acids end up at the N-teminal end or at the C-terminal end. List down the different fragments that would result if dynorphin were cleaved by trypsin. . How does chymotrypsin catalyze the hydrolysis of peptides? You can answer this question by identifying the amino acids involved and whether the hydrolysis is at their amino side or the carboxyl side or if particular amino acids end up at the N-teminal end or at the C- terminal end. List down the different fragments that would result if dynorphin were cleaved by chymotrypsin. . Cyanogen bromide is a chemical reagent which also cleaves peptide bonds. What is/are…pQLSeysIVg8-5-v0riWm3uEQ4RUA3Hdua_NDMQI25SST619X-KVA/viewform What makes alanine a nonpolar, neutral amino acid? O The presence of a chiral carbon O The hydrocarbon group attached O The zwitterion cannot be formed due to nonpolarity O The acid and base groups neutralizes the side chains What is NOT true about hemoglobin? It is a fibrous protein that helps oxygen combine with carbon It has an iron atom inside the structure It contains four polypeptide units O It transports oxygen to the different cells in the body
- Treatment of a polypeptide by 2-mercaptoethanol yields two polypeptides that have the following amino acid sequences: Ala-Phe-Cys-Met-Tyr-Cys-Leu-Trp-Cys-Asn Val-Cys-Trp-Val-Ile-Phe-Gly-Cys-Lys Chymotrypsin-catalyzed hydrolysis of the intact polypeptide yields polypeptide fragments with the following amino acid compositions: (Ala, Phe) (Asn, Cys2, Met,Tyr) (Cys, Gly, Lys) (Cys2, Leu,Trp2,Val) (Ile, Phe,Val) Indicate the positions of the disulfide bonds in the original polypeptide. I don't understand how the order of amino acids in Step 2 was arranged. Please explain. Thank you.Treatment of a polypeptide by 2-mercaptoethanol yields two polypeptides that have the following amino acid sequences: Ala-Phe-Cys-Met-Tyr-Cys-Leu-Trp-Cys-Asn Val-Cys-Trp-Val-Ile-Phe-Gly-Cys-Lys Chymotrypsin-catalyzed hydrolysis of the intact polypeptide yields polypeptide fragments with the following amino acid compositions: (Ala, Phe) (Asn, Cys2, Met,Tyr) (Cys, Gly, Lys) (Cys2, Leu,Trp2,Val) (Ile, Phe,Val) Indicate the positions of the disulfide bonds in the original polypeptide.Amino Acid 3-Letter 1-Letter Second letter Code Code Alanine Cysteine Aspartic acid or aspartate Glutamic acid or glutamate | Phenylalanine Glycine Histidine Ala Cys Asp Glu UCU Phe UGU cys UGC UUUT UAU Tyr UAC D UUC UC Ser UUA UAA Stop UGA Stop UAG Stop UGG Trp G UCA Phe Leu UUG UCG Gly G H. His Ile CUU CCU CAU CGU U His CAC CÚC Leu CUA CGC CGA Isoleucine Lysine Leucine Pro Arg Lys K CAA Gin CAG CCA Leu L. CUG CCG CG Methionine Met M AUU AUC le ACU) ACC AAU1 AAC AGU Asn Asparagine Proline Glutamine Arginine Serine Asn Ser AGC AGA Arg Pro P. Thr AAA Gln Arg Ser AUA ACA AUG Met ACG AAG Lys AGG R GUU) GCU) GAU1 GGU GGC Gly Threonine Valine Tryptophan Tyrosine Thr GUC Val GUA GCC Ala GCA Val V GAA GAG GGA W Trp Тут Glu GUG GCG GGG Y Apply all that you have learned to solve the following: If you have the following DNA sequence: 5-ATGGCIOTOGTATTAAATAG-3 1. What is the sequence of the bases in the complementary DNA strand in a 3' to 5 direction ?( NB" Just type the letter for the bases) 2.…