Match the amino acid R group with its biochemical binding characteristic.ArgininePhenylalanineCysteineSerineGlutamic acidGlutamineIsoleucineLeucineValineTyrosineA. Anionic group donating bondsB. Hydroxyl group mediate bondsC. Amide group bindingD. Non-polar bondsE. Pi bonding aromatic and hydroxy-group mediated bondsF. Pi binding aromatic bondsG. Cationic group donating bondsH. Disulfide covalent bondsI. Non-polar bondsJ. Non-polar bonds

There are 20 naturally occurring amino acids. In a polypeptide chain, the alpha amino and the alpha…

Answered: ◆ Arginine Phenylalanine ◆ Cysteine ◆…

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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Match amino Acid R group characteristics to the biochemical bond it can form. Alanine ◆ Glycine Proline Aspartic Acid Lysine Tryptophan ◆ Methionine Threonine Asparagine Histidine A. Pi-bonding aromatic bonds B. Non-polar, contains a sulfur atom C. Non polar bonds D. Amide group bonds E. Inserts a kink (non-freely rotating bond F. Anionic group donating bonds G. Hydroxy group bonding H. Cationic group with pK = 6.0 I. No-R group - highly flexible J. Cationic group donating bond
Choose Two. The Ramachandran plot indicates: B H Ca ||||||| Ⓒ. The C1 I A. Combined preference about both H しょしい O conformation preference for a C1-C² and c²_N bonde Existence of a peptide in an a-helical conformation Or P sheeted The prefered conformation about Can bond. The prefered conformation about C1-C² bond The prefesed conformation about peptide bond.
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All statement true about solanaceous alkaloids except: solanaceous alkaloids are esters of the bicyclic aminoalcohol 3-hydroxytropane or of related aminoalcohols. have been modified by preparing other esters of 3-a-tropanol or making a quaternary of the nitrogen in tropanol or scopine with a methyl halide. The aminoalcohol derived from scopolamine, namely tropin, has the axial orientation of the 3-hydroxyl group but, in addition, a B-oriented epoxy group bridged across the 6,7 positions several different solanaceous alkaloids known, it has been indicated that (-)- hyoscyamine, atropine, and scopolamine are the most important.
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Which of the following shows the reaction by which valine and leucine form a peptide bond H. H. H O -COO H2N-C-C-NH- C- C-OH + HO CH2 CH,SH ČH3 А. C. CH(CH)2 H. HN-C-C-NH-C- C-OH H,N-CH-C- + H,O HC-C-H CH2 CH2 H CH3 CH H,C-C-H CH(CH3)2 CH В. D.
CH2OH OH CH2-O-HC H. OH H. CH3(CH2)15-C-NH-CH CH-OH OH H. CH3(CH2)12-CH=CH Download Image... The lipid without the monosaccharide moiety is O A. 1,2-Diacylglycerol O B. 1,2-Diacylsphingosine OC. Sphingosine O D.Ceramide エーC
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2. Amino Acid Stereochemistry. Hypothetical Situation: A novel amino acid is isolated from a hyperthermophilic bacterium discovered in Lassen National Park. The discovery is published in the Journal Science by a group of microbiologists from the CSU-Chico Department of Biology. The amino acid structure is shown below. H₂N- HO Ç CH₂ C1H OH CH₂ (a) Designate the stereochemical configuration (R or S) of all the chiral centers in the molecule. (b) is this a D- or L-amino acid? Would you expect to find it as part of a polypeptide? Why or why not?

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