Chiral molecules Study guides, Class notes & Summaries

what are the physiological roles of carbohydrates? correct answers 1. energy sources 2. energy storage 3. structural roles 4. cellular communication 5. information transfer (DNA & RNA) what are the 5 different carbohydrates? correct answers monosaccharides, disaccharides, oligosaccharides, polysaccharides, glycoconjugates What are monosaccharides? correct answers smallest unit of carbohydrate structure What are disaccharides? correct answers two monosaccharides covalently linked tog...

Chapter 1 Carbon and Its Compounds CHECKPOINT PROBLEMS Practice Problem 1.1 a) S — 1s2 2s2 2p6 3s2 3p4 b) Cl — 1s2 2s2 2p6 3s2 3p5 c) Na+ — 1s2 2s2 2p6 1-2 Copyright © 2018 Nelson Education Limited Practice Problem 1.2 a) Count valence electrons. Build a basic bonding framework and account for electrons used. Add remaining electrons and check for formal charges. The molecule has a lone pair on the nitrogen. All other electrons are bonding electrons. b) Count valence electrons. Build a bas...

Chem 219 Unit 3 Exam Questions With 100% Correct Answers Stereochemistry the study of the three-dimensional structure of molecules Stereoisomers Compounds with the same structural formula and connectivity but with a different 3D arrangement of the atoms in space. Enantiomers 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 of the chira...

Chapter 1 Carbon and Its Compounds CHECKPOINT PROBLEMS Practice Problem 1.1 a) S — 1s2 2s2 2p6 3s2 3p4 b) Cl — 1s2 2s2 2p6 3s2 3p5 c) Na+ — 1s2 2s2 2p6 1-2 Copyright © 2018 Nelson Education Limited Practice Problem 1.2 a) Count valence electrons. Build a basic bonding framework and account for electrons used. Add remaining electrons and check for formal charges. The molecule has a lone pair on the nitrogen. All other electrons are bonding electrons. b) Count valence electrons. Build a bas...

Chem 104 1st exam|Complete Questions with 100% Correct Answers What are hybrid orbitals? orbitals of equal energy produced by the combination of two or more orbitals on the same atom What are the types of hybrid orbitals SP- 2 regions of density SP^2- 3 regions of density(3sp^2s) SP^3- 4 regions (4 sp^3s) What are the 4 types of hydrocarbons alkanes, alkenes, alkynes, and aromatic hydrocarbons Alkane a hydrocarbon containing only single covalent bonds Alkene a hydrocarbon that contai...

BCH 400 Final Exam Questions & Answers 2023/2024 Threonine - ANSWER-Can undergo post translational modification Arginine - ANSWER-Has a net positive charge of ph 7 Cysteine - ANSWER-Can form covalent bonds in proteins Glycine - ANSWER-is not chiral Why do we call some amino acids essential? - ANSWER-Humans are unable to synthesize them What is the pI of Alanine? pKa1 = 2.34 pKa2 = 9.69 - ANSWER-Between 6.01 and 6.02 Which of the 4 types of non-covalent interactions between...

Equation for the number of stereoisomers and chiral centers # of stereoisomers=2^n n=chiral centers What does the direction of the electric field line represent? The movement of a positive test charge Oligodendrocytes and Schwann cells Produces myelin sheaths in the CNS and PNS function of myelin sheath to protect the neuron, provide insulation, and increase the speed of impulse transmission Another word for voltage is potential difference conductivity is ...

Equation for the number of stereoisomers and chiral centers # of stereoisomers=2^n n=chiral centers What does the direction of the electric field line represent? The movement of a positive test charge Oligodendrocytes and Schwann cells Produces myelin sheaths in the CNS and PNS function of myelin sheath to protect the neuron, provide insulation, and increase the speed of impulse transmission Another word for voltage is potential difference conductivity is ...

Test Bank For Lehninger Principles of Biochemistry 7th Edition By Favid L. Nelson, Micheal M. Cox| All Chapters| Complete Questions and Answers (LATEST VERSION). 1. In a bacterial cell, the DNA is in the: A) cell envelope. B) cell membrane. C) nucleoid. D) nucleus. E) ribosomes. 2. A major change occurring in the evolution of eukaryotes from prokaryotes was the development of: A) DNA. B) photosynthetic capability. C) plasma membranes. D) ribosomes. E) the nucleus. 3. In eukaryotes,...

TABLE OF CONTENTS_ 1 Chemistry in Our Lives 2 Chemistry and Measurements 3 Matter and Energy 4 Atoms 5 Nuclear Chemistry 6 Ionic and Molecular Compounds 7 Chemical Reactions and Quantities 8 Gases 9 Solutions 10 Reaction Rates and Chemical Equilibrium 11 Acids and Bases 12 Introduction to Organic Chemistry: Hydrocarbons 13 Alcohols, Phenols, Thiols, and Ethers 14 ALDEHYDES, KETONES, AND CHIRAL MOLECULES 15 Carbohydrates 16 Carboxylic Acids and Esters 17 Lipids 18 Amines and Amides 19 Amino Acids...