The side chain of asparagine contains:OA) a hydroxyl groupB) an amine groupOC) a carboxyl groupOD) a sulfydryl groupOE) none of the above

Proteins are composed of amino acids, which are bound together by peptide linkage. Amino acids…

Answered: The side chain of asparagine contains:…

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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The difference between an aldose sugar and a ketose sugar is A) the number of carbon atoms B) the position of the hydroxyl groups C) the position of the carbonyl group D) the ring form and the linear chain
When D-gulose forms a ring structure, a) b) a ketone and a hydroxyl group react to form a hemiketal. the ring is unstable at neutral pH. the ring contains four stereogenic centers. an intramolecular reaction creates a glycosidic bond.
What term best describes the isomeric relationship between alpha-D- glucopyranose and alpha-L-glucopyranose? A) structural isomers B) enantiomers C) epimers D) diastereoisomers, but not epimers E) not isomers
Indicate the FALSE alternative: a) The formation of osazones is a characteristic reaction of aldoses and ketoses. b) Disaccharides formed by aldoses with 1-1' linkages do not have reducing power or mutarotation. c) Glycosides have no reducing power. d) Glycosidic bonds allow the formation of branched structures. e) A characteristic of alditols is that they all have optical activity.
Which is true of reducing disaccharidess: a) One sugar has an unlinked anomeric carbon b) the anomeric carbons of both sugars are linked c) both sugars are ketoses d) one sugar is a ketose and the other is an aldose Amylose differs from amylopectin in that amylose is: a) branched b) unbranched c) required in the diet d) found only in bacteria The structure of glycogen most closely resembles that of: a) cellulose b) amylose c) amylopectin d) egg albumin The structure of cellulose differs from that of amylose in which way? A) cellulose uses fructose while amylose uses glucose b) cellulose has branches while amylose does not c) amylose has branches while cellulose does not d) cellulose has beta-links while amylose has alpha links The following sugar is commonly found in nature: a) L – fucose b) L-glucose c) L-ribose d) L – galactose Hyaluronic acid is classified as a: a) peptidoglycan b) ketohexose c) glycosaminoglycan d)…
Consider each of the following disaccharides: a) Label the acetal and hemiacetal in each disaccharide. b) Number the carbons in each of their monosaccharide rings. c) Classify the glycosidic linkage as α or β and use numbers to designate its location. d) Draw the Fishcher projections of the monosaccharides formed when each of thedisaccharides is hydrolyzed? e) Draw the chair conformation of each monosaccharide, where applicable.
Below is Gulose in the open chain form: CHO H C-OH H C-OH HO C-H H- OH CH2OH Which of the following shows B-D-Gulose? A) B) CH2OH CH2OH OH ОН OH OH H H. OH OH H OH C) D) E) CH2OH H OH OH OH OH H CH2OH ČH2OH H H H. H. OH H. H. OH OH ÓH ОН H. -T -T I-
In which amino acid Imidazole group, an aromatic ring found?a) Lysineb) Argininec) Histidined) Glutamate
Which of the following statements regarding the nitrogenous base guanine is FALSE? A) ALL of these statements are TRUE B) the enol form of guanine base-pairs with thymine C) guanine undergoes a tautomeric shift between a keto and an enol form D) the keto form of guanine base-pairs with cytosine E) an alcohol (-OH) group is present in guanine's enol form, but absent in the keto form F) guanine’s keto form is more stable than its enol form
Draw the following Lipids in: A) Condensed (detailed) Structure, B) its Block Diagram.C) Show/Indicate the type of linkages per structure (put an arrow). 4) Sphingolipid/Sphingophospholipid (use sphingosine, myristic acid, phosphate, and choline for amino alcohol);
Draw the following Lipids in: A) Condensed (detailed) Structure, B) its Block Diagram. C) Show/Indicate the type of linkages per structure (put an arrow). 5) Glycosphingolipid/Sphingoglycolipid (use sphingosine, stearic acid, and D-galactose);
Indicate the following for each disaccharide: I) type of glycosidic linkage i.e. a(1→4) II) configuration i.e. alpha or beta 1. OH CH₂OH 0 OH I) II) III) IV) OH CH₂OH -0 OH ОН OH 2. HO CH₂OH 0 I) II) III) IV) ОН HOCH2 ОН HO ОН CH₂OH 3. CH, OH CH2 О CG OH ОН HO ОН HỎ I) II) III) III) reducing or non-reducing sugar IV) name of each monosaccharide IV) OH OH 4. HO I) II) III) IV) CH₂OH OH 0 ОН CH₂OH OH ОН OH

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The side chain of asparagine contains: OA) a hydroxyl group OB) an amine group OC) a carboxyl group OD) a sulfydryl group OE) none of the above