Achiral - Study guides, Class notes & Summaries

BCHM 307 QUIZ 3 EXAM QUESTIONS WITH REVISED ANSWERS ALL UPDATED Glucose and galactose are _____ of each other. - Answer-epimers The transformation of a monosaccharide into its _____ occurs easily and does not require the assistance of a catalyst. - Answer-anomer What is the only monosaccharide that is achiral? - Answer-dihydroxyacetone Which of the following are characteristic of cellulose? - Answer--unbranched polymer -highly extended fibers -beta(1→4) glycosidic bonds -extensiv...

Alcohol - Ketone - Amine - Ether - Amide - Ester - functional groups - Alkyl - An alkane missing a hydrogen Aromatic compound - Cyclic, planar, with every atom of the aromatic ring having a p orbital, while obeying hackles rule of 4n+2 pi electrons Vinyl - Hydrolysis Reaction - Carboxylic Acid - pKa ~ 5 Enantiomers - stereoisomers that are non super imposable mirror images Diastereomers - - Same molecular formula, same bond connections, NOT mirrors...

1. Which of the following is the enantiomer of the following substance? H Br CH 3 H H H CH 3 Br CH 3 H H Br CH 3 H BrH I II III A) I B) II C) III D) It does not have a non -superposable enantiomer. E) Both II and III 2. Which of the following molecules is achiral? CC C H 3 CH H CH 3 Br Cl F H CO 2 H OH H OH HO 2 C H CO 2 H CO 2 H H OH HO H Br CH 2CH 3 CH 3 HO I II III IV V A) I B) II C) III D) IV E) V 3. Hexane and 3 -methylp...

DAT Organic Chemistry Study Review Practice Test. Enantiomer - CORRECT ANSWER Non-superposable mirror images Diastereomer - CORRECT ANSWER Non-mirror images with same chemical formula Meso Compound - CORRECT ANSWER Achiral but has stereocenters Why are axial conformations of large substituents less stable than equatorial conformations? - CORRECT ANSWER 1, 3 diaxial interactions What rings have more ring strain? - CORRECT ANSWER Smaller rings, but not cyclohexane General formu...

T/F: Proteins are involved in many building reactions both catabolic and anabolic ANS True Receptors, antibodies— are.... ANS proteins Name the amino acid that is achiral: ANS glycine why is glycine achiral? ANS 2 hydrogen A-chiral= ANS Not 4 different side groups attached to center amino acid; no asymmetric carbon atom Name the amino acid that has S as part of its side group and is able to form disulfide bonds: ANS cystein

CHEM 334 Final Exam Questions and Answers, Latest Updated 2024/2025 | 100% Correct Answers. Write accurate structures for the following: CHEM 334 Final Exam Questions and Answers, Latest Updated 2024/2025 | 100% Correct Answers 8/6/22, 10:11 PM Final Exam 2/4 a) the conjugate base of 1-propyne b) a compound of formula C3H4O with ONLY sp2 carbons c) a good 3-dimensional structure for NH2OH (including lone pairs) d) a Newman diagram of anti 1-propanol e) a bicycloheptane of formula C7H12...

What is the formula for a monosaccharide? Use an example to describe how monosaccharides link to form disaccharides correct answer: (CH2O)*n, where n is the number of carbons and must be greater than 3 (e.g. glucose has 6 carbons, C6H12O6). Glucose and fructose are both monosaccharides, which link through a glycosidic bond to form sucrose, a disaccharide Name, classify and describe the two simplest monosaccharides (3 carbons) correct answer: Glyceraldehyde: Aldo-triose, aldehyde on one end ...

CHEM 334 Final Exam Questions and Answers, Latest Updated 2024/2025 | 100% Correct Answers. Write complete names for each of the following, including stereochemistry if it is specifically shown. a) b) c) d) e) 2. (15 points) Write accurate structures for the following: CHEM 334 Final Exam Questions and Answers, Latest Updated 2024/2025 | 100% Correct Answers 8/6/22, 10:11 PM Final Exam 2/4 a) the conjugate base of 1-propyne b) a compound of formula C3H4O with ONLY sp2 carbons c) a...

Amino Acid - Answer-Dipolar compound containing an amino group and a carboxyl group Amino Group - Answer--NH2 Carboxyl Group - Answer--COOH Alpha Carbon - Answer-Central carbon atom in amino acid Attached to amino & carboxyl groups, H atom, and side chain Side Chain - Answer-The variable component of an amino acid that gives the amino acid its identity and chemical properties also called R-group Chiral - Answer-A molecule with a nonsuperimposable mirror image All amino acids (e...

Chem 219 Unit 3 Exam with Verified Solutions Stereochemistry - Answer -the study of the three-dimensional structure of molecules Stereoisomers - Answer -Compounds with the same structural formula and connectivity but with a different 3D arrangement of the atoms in space. Enantiomers - Answer -Stereoisomers that that are non-superimposable mirror images. Enantiomers have the same connectivity but different orientations (twist) of the four atoms or groups in 3D space. The two different forms...