HW3-Amino Acids, AA Titration X b Search results for You start with X/courses/1712784/assignments/11290666once you are done!F2J3#‒‒HW3-Amino Acids, AA Titrations, and Hydrophobicity can be found here.Minimize File Preview1. There are 20 naturally occurring amino acids.Each one has distinct properties and roles. Drawnis the structure of lysine. Lysine has the three-letter abbreviation of Lys and one letterabbreviation of K.a. Would the form of Lysine drawn ever exist?b. How many ionization states exist for Lys?Q Search$ASCPPage < 1%5DEDCOFS6F6> of 5c. Draw each ionization state below. Then circlethe ionization state which is predominant at a pH=6. Finally, box the zwitterionicstate.pK-9.0F7H₂N*&7PK-10.0H₂NNHPrtScn FBOH84ZOOM +pk =2.2HomeF9(9KhuluEnd F10PgUpOF

Lysine has 3 ionizable groups. They are an alpha-carboxylic acid group (highlighted in BLUE) , an…

Answered: There are 20 naturally occurring amino…

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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Define the following terms: a. lipid b. cis-isomer c. trans-isomer d. fatty acid e. anandamine
We know that some reactions involving loss of water are reversible upon the addition of water (Le Chatelier's Principle). If we heat oleandrin in a solution of acidic water, what would remain attached to the steroid skeleton? Select the correct answer. E он он A Oleandrin is a toxic cardiac glycoside found in the poisonous plant, oleander (Nerium oleander L). It has a very long IUPAC name: acetic acid [(35,5R, 10S,13R,14S,16S, 17'R)-14-hydroxy-3-[[(2R,4S,5S,6S)-5-hydroxy-4-methoxy-6-methyl- 2-tetrahydropyranyl]oxy]-10,13-dimethyl-17-(5-oxo-2H-furan-3-y)-1,2,3,4,5,6,7,8,9,11,12,15,16,17- tetradecahydrocyclopenta[a]phenanthren-16-yl) ester F D E D E OH B он B он (a) no reaction он A (b) он он OH он OH он E он он (c) C он но (d)
Draw the L enantiomer in a Fischer projection for each amino acid; identify the amino acid as neutral, acidic, or basic. Give the three-letter sign [3], and the one-letter symbol [4].arginine a. arginine b. arginine c. a. glutamic acid b. glutamic acid c. glutamic acidtyrosine b. valine c. arginine
I was at the supermarket the other day shopping for groceries, and I picked up a box of Schtuck Margarine. On the front of the box, it listed “5% trans fats” and on the ingredient list it had “hydrogenated corn oil” listed as the main ingredient. If corn oil is a polyunsaturated vegetable oil with cis- double bonds (only), why is it hydrogenated, and where are the trans fats coming from? Additionally, what is the issue with trans- fats?
Given the figure below. Which structure is predominant at pH = 8.0? (Note: The amino acid structures on the topmost portion are labeled as A, B, C and D from left to right) * çOOH pK1 H3Nt CH CH2 CH2 CH2 ČH2 NH3* poo H2N-CH CH2 CH2 GH2 CH2 NH2 foo H2N-CH CH2 çoo pK2 pk3 CH2 CH2 NH3* NH3* 14 1 pK2 pl pk3 12 10 pH 6 4 pK1 2 0.5 1 1.5 2 2.5 3 Equivalents of OH
Classify the following lipid (choose all that apply).CHOOSE ALL THAT APPLY a. monounsaturated b. omega-6 c. triglyceride d. saturated e. steroid f. polyunsaturated g. omega-3 h. wax ester i. fatty acid
Can you please explain how to solve this problem?
Which of the following is incorrect concerning protein structure determination by X-ray crystallography? Choose one: O A. X-ray crystallography provides dynamic information about protein structure. O B. A 1.5 Å resolution structure is better than a 3 Å resolution structure. O C. Isomorphous replacement is used to aid phase determination. O D. Highly ordered crystals are required.
The side chain of acetyl-L-lysine-OMe has a pKa=10.5 and its acid-dissociation reaction is shown below. see attachment for Question D.
Identify what type of chemical interactions is involved in the following side chains of the peptide chain below: 3 H-Q 0-H 5. OH OH CH, 6. 9. 4. -- CH, 2. 200 CH, 12 CH CH, -NH,0-C 4 1. 15 3. CH.-OH O CH. 17 18 The following choices can be applied for the following type of chemical interactions. 20 21 Write: AB - if it is a salt bridge or ionic bond CD - if it's a H-bonding 23 24 EF - if it's a hydrophobic interactions GH - if it's a disulfide bond
Which of these amino acids is a hydrophobic amino acid? (Select all that apply, if necessary.) A. B. C. D. E. iº H₂N-CH-C CH₂ T CH₂ CH₂ NH C=NH2 NH₂ amino acid E amino acid D amino acid B amino acid C amino acid A 200 H₂N-CH-C CH₂ C=O I OO H₂N-CH-C- CH₂ CH₂ T C=O T NH₂ 0 H₂N-CH- CH₂ CH-CH3 CH3 H₂N-CH-C CH₂ I OH -0
Identify the components of an amino acid in the following diagram. (a) ______________ (b) ______________ (c) ______________ (d) ______________

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