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- Draw a peptide for cys-asn- pro-gly (Using the same format in picture)5'- ATTGTGATATGGCCACCTGCCACCTGGAGAGCAGCT GATTAG-3' What oligopeptide is encoded by the above sequence? Please use the one-letter code for your answers. (You will need to consult the Table of the Genetic Code for this question) 1st letter UUU Phe UCU UCC Leu UCA UCG U UUC UUA UUG CUU C CUC CUA CUG AUU A AUC AUA AUG U GUU G GUC GUA GUG CCU Leu CCC CCA CCG ACU lle ACC ACA Met ACG GCU Val GCC GCA GCG с Second Letter Ser Pro Thr Ala UAU UAC A | AAU AAC AAA AAG GAU GAC GAA GAG Tyr CAU CAC CAA Gin CAG 1 UAA Stop UGA Stop A UAG Stop UGG Trp G His Lys UGU UGC Asp Glu G 3rd Asn AGU Ser U letter AGC AGA AGG Cys U CGU CGC Arg CGA CGG GGU GGC GGA GGG DCAG DUAG DUCAG Arg Gly UCAGDraw and label the following RNA tetranucleotide: 5’phosphoryl-A-2’O-methyl-C-U-G-3’-phosphate
- If the sequence of DNA on the template strand of a gene is AAA, the mRNA codon produced by transcription will be and will specify the amino acid A. UUU, phenylalanine B. AAA, phenylalanine C. AAA, lysine D. TTT, arginine In the given anticodon CCA - UAU - UCG, what is the resulting amino acid sequence? A. glycine-isoleucine-serine B. histidine - serine - tyrosine C. proline - tyrosine - tyrosine D. proline - isoleucine - serine Which sequence of amino acids shows the corresponding polypeptide for DNA Sequence 3' AAGGCCGCA-5'? A. phenylalanine - arginine - arginine B. phenylalanine - alanine-alanine C. lysine - alanine - alanine D. lysine -arginine - arginineThe following amino acids that are often found inside globulin molecules are () A, Tyr B, Phe C, Asn D, Glu True of false 1. In the de novo synthesis of purine nucleotides and pyrimidine nucleotides, base rings are first synthesized and then corresponding nucleotides are formed with phosphoribose. () 2. Transcription is the process of transferring genetic information from DNA to RNA. DNA is synthesized under the catalysis of RNA polymerase, and the direction of synthesis is from the 5 'end to the 3' end. () 3. The change of protein conformation is caused by the breaking of covalent bonds within the molecule. () 4. In very high and very low pH solutions, amino acids exist mainly in non-ionic form. () 5. The active center of an enzyme usually consists of several amino acid residues adjacent to each other in the primary structure. ()The anomer of a-D-glucopyranose is CH:OH он ÓH CH2OH он он он он CH,OH он он он он CH,OH он OH он ÓH ÇH;OH он он он он
- why is CH3-CH-CH2-CH2-CH3 non imposable ? I OH5'-TAGCTGATCGAATATGCGGTCTCTATCTTCGTAGACGA-3' 3'-ATCGACTAGCTTATACGCCAGAGATAGAAGCATCTGCT -5' Determine the amino acids that will be encoded by this sequence Second letter First letter U C A G U UUU Phe UUC UUA UUG Leu CUU CUC CUA CUG Leu GUU GUC GUA GUG Val UCU UCC UCA UCGJ AUU AUC lle AUA ACA AUG Met ACG CCU CCC C CCA CCG ACU ACC GCU GCC GCA GCG Ser - Pro Thr Ala A UGU UACTyr Cys UGC. UAA Stop UGA Stop A UAG Stop UGG Trp G CAC His CAA Gin CAG GAUT GAC Asp GAA AAU Asn ACC Ser AGU AAG LYS AA Glu GAGJ Oa. N-Met-Arg - Ser-Leu-Ser - Ser-C Ob. N-Met-Pro-Arg - Asn-Asp - Ser-C d. N-Met-Lys - Val-Glu-Ala-C Oc. N-Asp-Pro-Lys - Ser - Val-Ile-C Oe. N- Met-Ala-Asp-Pro-Lys - Ser-C G CGU CGC CGA CGG AGA AGG. GGU GGC GGA GGG Arg SCAO Gly U UCAG UUA DUAG Arg G Third letter 13There is another melanocyte-stimulating hormone called β-melanotropin.Cleavage of β-melanotropin with trypsin produces the following peptidesplus free aspartic acid. WGSPPK DSGPYK MEHFRIf you assume maximum sequence similarity between α-melanotropin andβ-melanotropin, then what must the sequence of the latter be?
- With, Asp-Cys-Lys-Arg What are the pH buffering regions (pH range)? What is the charge at ph 4? Please explain how you find this out. Thanks!In pyrimidine nucleosides, the anti conformation predominates. Explain. Do the purine nucleosides have similar interactions?Draw the structure of this peptide: N-Met-His-Tyr-Leu-Asp-Ser-Arg-Leu-C