S cis conformation - Study guides, Class notes & Summaries

pKa (chapter 3) - measure of the tendency of a group to give up a proton (acidity); tendency decreases tenfold as pKa increases by one unit thioester bond (1) - compounds with functional group C-S-CoA-C (eg, in acetyl-CoA) zwitterion (3) - dipolar ion with both positive and negative groups but overall neutral charge; can act as either an acid or base Isoelectric point (pI) (chapter 3) - the characteristic pH at which the net electric charge is zero SDS - Sodium Dodecyl Sulfate (chap ...

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...

Chapter 1—Structure and Bonding SHORT ANSWER 1. Give the ground-state electron configuration for carbon (atomic number 6). ANS: 1s22s22px12py1 or 1s22s22p2 2. Give the ground-state electron configuration for fluorine (atomic number 9). ANS: 1s22s22px2 2py2 2pz1 or 1s22s22p5 3.Give the ground-state electron configuration for magnesium (atomic number 12). ANS: 1s22s22p63s2 4. How many electrons does silicon have in its valence shell? ANS: four Exhibit 1-1 Write valid Lewis (electron-...

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...

less the more s character a carbocation has, the _____stable it is the same as when looking at an epoxide, the orientation around the oxygen is _________ the orientation around the double bond in the reactant BrOH when added with base makes an epoxide Br2 adds 2 Brs in anti conformation lindlar catalyst produces a Z alkene from an alkyne (adds 2 Hs in syn) add more electronegative atom, add pi bond 2 ways of producing an oxidation reaction remove e...

Test Bank for Biochemistry A Short Course 4th Edition John L. Tymoczko TEST BANK FOR BIOCHEMISTRY A SHORT COURSE JOHN L. TYMOCZKO Chapter 3 Amino Acids Matching Questions Use the following to answer questions 1–10: Choose the correct answer from the list below. Not all of the answers will be used. Answers may be used more than once. 1. a) l amino acids 2. b) water 3. c) protons 4. d) zwitterions 5. e) arginine 6. f) serine 7. g) tyrosine 8. h) cysteine 9. i)...

less - the more s character a carbocation has, the _____stable it is the same as - when looking at an epoxide, the orientation around the oxygen is _________ the orientation around the double bond in the reactant BrOH - when added with base makes an epoxide Br2 - adds 2 Brs in anti conformation lindlar catalyst - produces a Z alkene from an alkyne (adds 2 Hs in syn) add more electronegative atom, add pi bond - 2 ways of producing an oxidation reaction remove e...

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...

Biochemistry ACS 2023 Exam With 100% Complete Solutions Nonpolar, aliphatic AA's - ANSWERS gly, ala, pro, val, leu, ile, met Aromatic AA's - ANSWERS phe, Tyr, trp What wavelength do aromatic aa's absorb light? - ANSWERS 280 nm Polar, uncharged aa's - ANSWERS Ser, Thr, Cys, Asp, Glu Are Disulfide bonds hydrophobic or hydrophilic? - ANSWERS hydrophobic Polar, Positively charged (basic) aa's - ANSWERS ...

Biochemistry ACS Exam Questions With Complete Answers Nonpolar, aliphatic AA's - CORRECT ANSWERS gly, ala, pro, val, leu, ile, met Aromatic AA's - CORRECT ANSWERS phe, Tyr, trp What wavelength do aromatic aa's absorb light? - CORRECT ANSWERS 280 nm Polar, uncharged aa's - CORRECT ANSWERS Ser, Thr, Cys, Asp, Glu Are Disulfide bonds hydrophobic or hydrophilic? - CORRECT ANSWERS hydrophobic Polar, Positively charged (basic) aa's - ...