10. According to the ability to be synthesized in the human body the proteinogenic amino acids can be divided on: essential, non-essential and semi-essential. Choose the essentialamino acid from the following:A. GlutamineB. PhenylalanineC. ProlineD. SerineE. Tyrosine17:2653

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Answered: 10. According to the ability to be sy…

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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2. Come up with a synthesis strategy to make the dipeptide ser-asp. To do this you will need to provide a lot of information. a. Synthesis schemes starting from unmodified the amino acids, ser and asp, including:1. Initial protection of the amino acids2. Coupling of the amino acids using PyBop3. Deprotection of the N and C termini
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1. Doesn't non-fat milk protein contain casein which interacts with the Bradford reagent. why would this react with the Bradford or Bruiet reagent? 2. Tryptophan is an amino acid and there should not be a reaction with the reagent. Why would there be a reaction with the Bradford or Biuret reagent?
35. Ultimately, dietary galactose molecules are changed into glucose molecules by the: A. liver B. kidneys C. pancreas D. gall bladder
3. Aspartate aminotransferase (AspAT) catalyzes the following reaction: COO™ C=O CH₂ COO Oxaloacetate The AspAT enzyme has two active-site arginines, Arg 386 and Arg 292, that interact with the a- carboxylate and ß-carboxylate groups on the aspartate substrate, respectively. Investigators stud- ied the mechanism of AspAT in more detail by constructing mutant AspAT enzymes in which either or both of the essential arginines were replaced with a lysine residue. The kinetic parame- ters for the wild-type enzyme and nutant enzymes are shown in the table. NH—CH-COO T CH₂ COO™ Aspartate α-Amino acid Enzyme 1. Wild-type Asp AT(Arg 292 Arg 386) 2. Mutant Asp AT(Lys 292 Arg 386) 3. Mutant Asp AT(Arg 292 Lys 386) 4. Mutant Asp AT(Lys 292 Lys 386) Asp-AT a-Keto acid KM (MM) 4 326 72 300 Kcat (S-1) 530 4.5 9.6 0.055 (a) The Michaelis constant is strictly not equivalent to an equilibrium binding constant; however under certain conditions the Michaelis constant does approach the equilibrium (dissoci-…
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1. Draw the Fisher projection of D-glucose, and from Fisher to Haworth projection of ẞ-D-glucose. Label (R) and (S) configuration for each chiral carbon Fisher projection Haworth projection
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10. According to the ability to be sy nthesized in the human body the p roteinogenic amino acids can be di vided on: essential, non- essential and semi- essential. Choose the essential amino acid from the following: A. Glutamine B. Phenylalanine C. Proline D. Serine E. Tyrosine 17:26