2. Draw a titration curve for histidine. Draw the forms of histidine directly on the graph thatwould predominate at pH 1, pH 4, pH 7, and pH 14.Net charge of molecules+2+1.5-+1+0.50-0.5-1-1.5-2T13ليا- 5079pH of solution1113T14

pH = 1/Log [H+] If [H+] concentration in a solution is high, pH will be low and the solution is…

Answered: 2. Draw a titration curve for…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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1. Draw the tetrapeptide Met-Ala-Thr-Thr at a ph of 7? 2. Draw the tetrapeptide Met-Ala-Thr-Thr at a ph of 12?
Which of the amino acid side-chains would you expect to be protonated (i.e. has not lost its proton) under neutral pH conditions? Include reasons supporting your prediction.
PLEASE ANSWER RIGHT, I SUBMITTED 4 DIFFERNT TIME AND EVERY TIME ANSWER IS DIFFERNET
24. Answer and explain
1.Describe in detail how to detect the primary structure of protein. 2.Given a mixture of lysine,histidine and cysteine.The isoelectronic point of the amino acids are as follows: histidine:7.64 lysine:9.74 cysteine:5.02 Show how you will separate the mixture into the pure forms. State and describe any instrument that you will use to separate the components in the mixture.
6
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4 This is a three-part question about a tripeptide. Answer all three sub-questions. The pKR of side chains of Tyr, and Lys is 10.46 and 10.54 respectively. The molecular weight of amino acids Ala, Lys, and Tyr in neutral form is 89.1, 146.2, and 181.2 Da, respectively. 1) Draw the chemical structure of the dominant form of tripeptide AKY at pH = 11.5, ensure you have the correct stereochemistry and ionization state of each functional group (Hint, lysine has a C-epsilon as the furthest carbon from C-alpha). 2) Calculate the pI of tripeptide AKY, assuming the terminal amino group has a pKa of 8.0, and the terminal carboxyl group has a pKa of 3.5 3) Calculate the molecular weight of AKY at pI
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困 STRUCTURE AND NOMENCLATURE Name the fourth nucleotide from the 3' to 5' end. Use the How many terminal phosphate/s is/are present in the given structure? Give correct/appropriate punctuations, spacing and letter case based on the nomenclature. ONLY the NUMBER of the terminal phosphate/s. NH, O P-0 OP-O- OH 0=-0- NH: NH: NH; NH. 0=P-0- OH 0P-0- 0P-0- 0=P-0- OH 9:53 am P Type here to search 4) ENG 13/10/2021 近

46 2 H G CI 8 Is M (n Ge M In In VI LE Q S M In b M X + uv A canvas.northseattle.edu/courses/2086259/quizzes/5876542/take Phosphate Group 5 CH, Nitrogenous Base (A, T, G, C) Account Dashboard 5-C Sugar (Deoxyribose) Courses The molecule on the left is the monomer for which type of polymer? Groups [ Select ] Calendar What subunit(s) of this monomer covalently bond to form the polymer? [ Select ] Inbox What specific molecule is represented by the molecule on the right? [ Select] History What type of bonds hold the two strands of the molecule on the right together? Help [ Select ] 3 •1 8:17
H2N N. OH H2N NH" NH, Но H) 18. Name of base A: 19. Name of base D: 20. Base pair name of molecule A: 21. Base pair name of molecule D: 22. Name of molecule in box E: 23. Name of molecule in box F: 24. G is the end: 25. H is the end:

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2. Draw a titration curve for histidine. Draw the forms of histidine directly on the graph that would predominate at pH 1, pH 4, pH 7, and pH 14. Net charge of molecules +2 +1.5- +1 +0.5 -0.5 -1.5 T -2 T -1- T T 1 ـ ليا 3 15 7 9 pH of solution 11 13 14