Homework Answers
Question 4 (1 point) Identify the major product for the following reaction. CH-CH-CH-CH,a Ala. CH2CH2CH2 CH3...
Question 4 (1 point) Identify the major product for the following reaction. CH-CH-CH-CH,a Ala. CH2CH2CH2 CH3 CHS CH.CH CH,CH.CH
Which one of the following represents a tetrapeptide? A) Val-Ile-Asp-Asp B) Ala-Ala-Ala-Ala-Val-Val C) Ala-Ser-Val-Val-Ile D) Ser-Ser-Ala-Ala-Gly-Gly-Glu-Glu...
Which one of the following represents a tetrapeptide? A) Val-Ile-Asp-Asp B) Ala-Ala-Ala-Ala-Val-Val C) Ala-Ser-Val-Val-Ile D) Ser-Ser-Ala-Ala-Gly-Gly-Glu-Glu E) Ser-Ala-Thr-Pro-Leu In the octapeptide, Cys-Ile-Ser-Asp-Gly-His-Gly-Gly, which is the N-terminal amino acid A) Ser B) Ile C) Asp D) Cys E) Gly If an amino acid has one carboxyl group and one amino group, and the pka's are 2.4 and 9.8 respectively, what is its isoelectric point? A) 3.7 B) 6.1 C) 7.0 D) 7.9 E) 12.2 Which of the following will migrate toward...
Give the appropriate abbreviation for the following tripeptide (example: Gly-Ser-Ala, GSA.) H₂N-CH- & - CH₂ CH2...
Give the appropriate abbreviation for the following tripeptide (example: Gly-Ser-Ala, GSA.) H₂N-CH- & - CH₂ CH2 -NH-CH-C-NH-CH.coo CH2 CH2 CH2 CH2 c=0 CH2 NH2 NH CH3 C=NH2 NH2 ş
Question 5 (1 point) Saved What arrow correctly identifies a peptide bond? LED H2N -CH-CJN-CH-C-R-CHCN-CH-8 CH-OH...
Question 5 (1 point) Saved What arrow correctly identifies a peptide bond? LED H2N -CH-CJN-CH-C-R-CHCN-CH-8 CH-OH - CH₂ CH3 Question 4 (1 point) Identify all the amino acids that can be produced using the three letter designation (Use your textbook). HN-CH-C-N-CH-C-N-CH-C-N-CH-C CH-OH CH, 0 0 Al...Gly...-Cys...-Ser Gly.-.-Ala----Glu ---Met Glu----Ala----Thr----Cys Ala-Gly-Thr-Tyr 0 0 Question 3 (1 point) Use the three letter designation for the amino acids to write the tetrapeptide order: HN-CH-C-N-CH-C-N-CH-C-N-CH-C 525-5 Ala...Gly...Cys-..-Ser Gly....Ala---- Glu---- Met Glu---- Ala...-Thr-Cys OCys...-Ala----Gly-Ser Question...
Benzer experiment: Reduction of Cys-tRNACys generates Ala-tRNACys. If the resulting Ala-tRNACys were added to an in...
Benzer experiment: Reduction of Cys-tRNACys generates Ala-tRNACys. If the resulting Ala-tRNACys were added to an in vitro translation mixture containing globin mRNA, where in the newly synthesized globin polypeptide would the Ala from Ala-tRNACys be incorporated? A) wherever Cys normally occurs B) wherever either Ala or Cys normally occurs C) wherever the dipeptide Ala-Cys normally occurs D) nowhere; this is the equivalent of a nonsense mutation
Met-Ala-Arg-Tyr-Ala-Asn-Asn-Glu__Lys-Glu-Leu-Leu-Tyr__Arg-Tyr-Ala-Asn__Phe-Leu-Ala-Asn-Asn-Ile-Gly-Ala-Asn__Ile-Ser__Ile-Asn-Thr-Glu-Arg-Glu-Ser-Thr-Glu-Asp__Ile-Asn__ His-Glu-Arg__Phe-Ala-Thr-His-Glu-Arg-Ser__Thr-Arg-Ile-Gly-Leu-Tyr-Cys-Glu-Arg-Ile-Asp-
Met-Ala-Arg-Tyr-Ala-Asn-Asn-Glu__Lys-Glu-Leu-Leu-Tyr__Arg-Tyr-Ala-Asn__Phe-Leu-Ala-Asn-Asn-Ile-Gly-Ala-Asn__Ile-Ser__Ile-Asn-Thr-Glu-Arg-Glu-Ser-Thr-Glu-Asp__Ile-Asn__ His-Glu-Arg__Phe-Ala-Thr-His-Glu-Arg-Ser__Thr-Arg-Ile-Gly-Leu-Tyr-Cys-Glu-Arg-Ile-Asp-Glu__Leu-Glu-Val-Glu-Leu-Ser__Ser-Ile-Asn-Cys-Glu__His-Glu-__His-Ala-Pro-Pro-Ile-Leu-Tyr__Glu-Ala-Thr-Ser__Val-Ala-Asn-Ile-Leu-Leu-Ala__Cys-Ala-Lys-Glu-__Ala-Asn-Asp__Pro-Glu-Cys-Ala-Asn__Pro-Ile-Glu__Trp-Ile-Thr-His__Phe-Arg-Ile-Glu-Asp__Cys-His-Glu-Glu-Ser-Glu-Cys-Ala-Lys-Glu__Ile-Cys-Glu__Cys-Arg-Glu-Ala-Met__Glu-Val-Glu-Arg-Tyr-Asp-Ala-Tyr__Ala-Asn-Asp__Ser-His-Glu__Ile-Ser__Asp-Glu-Val-Ala-Ser-Thr-Ala-Thr-Glu-Asp__Thr-His-Ala-Thr__Asp-Ile-Ser-Glu-Ala-Ser-Glu-Ser__Leu-Ile-Lys-Glu__His-Glu-Ala-Arg-Thr__Asp-Ile-Ser-Glu-Ala-Ser-Glu__Ser-Leu-Glu-Glu-Pro__Ala-Pro-Asn-Glu-Ala__Ser-Glu-Val-Glu-Arg-Glu__Trp-Glu-Ile-Gly-His-Thr__Gly-Ala-Ile-Asn__Trp-Ile-Leu-Leu__Ala-Arg-Ile-Ser-Glu__Ile-Phe__His-Glu__Lys-Glu-Glu-Pro-Ser__Thr-His-Ile-Ser__Glu-Ala-Thr-Ile-Asn-Gly__Pro-Ala-Thr-Thr-Glu-Arg-Asn__Tyr-Glu-Thr__Ile-Phe__His-Glu__Trp-Trp-Trp-Trp-Ile-Ile-Ile-Ile-Ile-Leu-Leu-Leu-Leu-Leu-Ser-Ser-Ser-Ser__Cys-His-Ala-Asn-Gly-Glu__Ile-Asn__His-Ile-Ser__Leu-Ile-Phe-Glu-Ser-Thr-Tyr-Leu-Glu__His-Glu__Cys-Ala-Asn__Ser-Thr-Ile-Leu-Leu__Arg-Glu-Met-Ala-Ile-Asn__His-Glu-Ala-Leu-Thr-His-Tyr__Ser-Ala-Ser-Ser-Tyr__Ala-Asn-Asp__Ala-Leu-Arg-IleGly-His-Thr 1.) Write out the 1 letter amino acid abbreviation for each of the three-letter amino acid abbreviated words listed in the given sequence. The __ indicates a space in between the words. Use www.expasy.org and other bioinformatic tools to generate the following bioinformatic data for the given polypeptide sequence. You must give the name and link to the program you used to generate the data: 2.) Compute the pI and Mw (isoelectric point and molecular mass, respectively) of...
Biochemistry: Heme is a tetrapyrrole, derived from how many molecules of aminolevulinic acid (ALA)? Each ALA...
Biochemistry: Heme is a tetrapyrrole, derived from how many molecules of aminolevulinic acid (ALA)? Each ALA is formed by condensation of glycine + succinyl CoA. What vitamin is cofactor of the condensing enzyme? What fragment does glycine contribute to the ALA?
Ala A ball is launched from point A at angle 30° as shown in Fig. Ala....
Ala A ball is launched from point A at angle 30° as shown in Fig. Ala. Determine the maximum and minimum speed vA it can have so that it lands in the container [10 marks] 30° 1 m 0.25 n 2.5 m 4 m
Ala Ala N-Succinyl-Ala-Ala-Pro-Phe-p-nitroanilide subtilisin p-nitroaniline (bright yellow) OH uestions . Following Figure 5.1: Enzymatic assay for...
Ala Ala N-Succinyl-Ala-Ala-Pro-Phe-p-nitroanilide subtilisin p-nitroaniline (bright yellow) OH uestions . Following Figure 5.1: Enzymatic assay for subtilisin activity. purification of the subtilisin S41 enzyme, the investigators carried out analytical procedures to determine the protein's molecular weight and pl. a. What technique would they have used to determine the protein's molecular weight? What technique would they have used to determine the protein's pl? psychrophilic subtilisin S41 enzyme was determined to be 5.3. This value is much lower than the pl of...
What fragments will be obtained by a trypsin hydrolysis of the following octapeptide? Ala-Val-Trp-Lys-Phe-Gly-Arg-Met A) Ala-Val-Trp-Lys-Phe...
What fragments will be obtained by a trypsin hydrolysis of the following octapeptide? Ala-Val-Trp-Lys-Phe-Gly-Arg-Met A) Ala-Val-Trp-Lys-Phe and Gly-Arg-Met 3) Ala-Val-Trp-Lys-Phe-Gly and Arg-Met - Ala-Val-Trp-Lys and Phe-Gly-Arg and Met ) Ala-Val-Trp-Lys and Phe and Gly-Arg and Met ) Ala-Val-Trp and Lys-Phe-Gly and Arg-Met Bradykinin is a nonapeptide, Arg-Pro-Pro-Gly-Phe-Ser-Pro-Phe-Arg. In addition to one mole of Arg, what peptides are present after hydrolysis of bradykinin with chymotrypsin? A) Arg-Pro-Pro and Gly-Phe and Ser-Pro-Phe B) Pro-Pro-Gly and Phe-Ser-Pro-Phe-Arg C) Arg-Pro-Pro-Gly-Phe and Ser-Pro-Phe ?) Arg-Pro-Pro-Gly-Phe-Ser...
Question 4 (1 point) Identify the major product for the following reaction. CH-CH-CH-CH,a Ala. CH2CH2CH2 CH3 CHS CH.CH CH,CH.CH
Which one of the following represents a tetrapeptide? A) Val-Ile-Asp-Asp B) Ala-Ala-Ala-Ala-Val-Val C) Ala-Ser-Val-Val-Ile D) Ser-Ser-Ala-Ala-Gly-Gly-Glu-Glu E) Ser-Ala-Thr-Pro-Leu In the octapeptide, Cys-Ile-Ser-Asp-Gly-His-Gly-Gly, which is the N-terminal amino acid A) Ser B) Ile C) Asp D) Cys E) Gly If an amino acid has one carboxyl group and one amino group, and the pka's are 2.4 and 9.8 respectively, what is its isoelectric point? A) 3.7 B) 6.1 C) 7.0 D) 7.9 E) 12.2 Which of the following will migrate toward...
Give the appropriate abbreviation for the following tripeptide (example: Gly-Ser-Ala, GSA.) H₂N-CH- & - CH₂ CH2 -NH-CH-C-NH-CH.coo CH2 CH2 CH2 CH2 c=0 CH2 NH2 NH CH3 C=NH2 NH2 ş
Question 5 (1 point) Saved What arrow correctly identifies a peptide bond? LED H2N -CH-CJN-CH-C-R-CHCN-CH-8 CH-OH - CH₂ CH3 Question 4 (1 point) Identify all the amino acids that can be produced using the three letter designation (Use your textbook). HN-CH-C-N-CH-C-N-CH-C-N-CH-C CH-OH CH, 0 0 Al...Gly...-Cys...-Ser Gly.-.-Ala----Glu ---Met Glu----Ala----Thr----Cys Ala-Gly-Thr-Tyr 0 0 Question 3 (1 point) Use the three letter designation for the amino acids to write the tetrapeptide order: HN-CH-C-N-CH-C-N-CH-C-N-CH-C 525-5 Ala...Gly...Cys-..-Ser Gly....Ala---- Glu---- Met Glu---- Ala...-Thr-Cys OCys...-Ala----Gly-Ser Question...
Ala A ball is launched from point A at angle 30° as shown in Fig. Ala. Determine the maximum and minimum speed vA it can have so that it lands in the container [10 marks] 30° 1 m 0.25 n 2.5 m 4 m
Ala Ala N-Succinyl-Ala-Ala-Pro-Phe-p-nitroanilide subtilisin p-nitroaniline (bright yellow) OH uestions . Following Figure 5.1: Enzymatic assay for subtilisin activity. purification of the subtilisin S41 enzyme, the investigators carried out analytical procedures to determine the protein's molecular weight and pl. a. What technique would they have used to determine the protein's molecular weight? What technique would they have used to determine the protein's pl? psychrophilic subtilisin S41 enzyme was determined to be 5.3. This value is much lower than the pl of...
What fragments will be obtained by a trypsin hydrolysis of the following octapeptide? Ala-Val-Trp-Lys-Phe-Gly-Arg-Met A) Ala-Val-Trp-Lys-Phe and Gly-Arg-Met 3) Ala-Val-Trp-Lys-Phe-Gly and Arg-Met - Ala-Val-Trp-Lys and Phe-Gly-Arg and Met ) Ala-Val-Trp-Lys and Phe and Gly-Arg and Met ) Ala-Val-Trp and Lys-Phe-Gly and Arg-Met Bradykinin is a nonapeptide, Arg-Pro-Pro-Gly-Phe-Ser-Pro-Phe-Arg. In addition to one mole of Arg, what peptides are present after hydrolysis of bradykinin with chymotrypsin? A) Arg-Pro-Pro and Gly-Phe and Ser-Pro-Phe B) Pro-Pro-Gly and Phe-Ser-Pro-Phe-Arg C) Arg-Pro-Pro-Gly-Phe and Ser-Pro-Phe ?) Arg-Pro-Pro-Gly-Phe-Ser...
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