Aliphatic r groups - Study guides, Class notes & Summaries

Which one of the four classes of biologically important molecules does insulin belong to? a. carbohydrates b. proteins c. nucleic acids d. lipids correct answer: b. proteins Which of the following is true? a. the amino acid may be any of the nonpolar, aliphatic amino acids b. the first pKa represents protonation/deprotonation of the amine c. the amino acid cannot be a member of the sulfur-containing classification d. the side chain contains a carboxylate functional group e. the sid...

What amino acids have nonpolar, aliphatic R groups? - Glycine, Alanine, Proline, Valine, Leucine, Isoleucine, Methionine What amino acids have polar, uncharged R groups? - Serine, Threonine, Cysteine, Asparagine, and Glutamine What amino acids have aromatic R groups? - Phenylalanine, Tyrosine, and Tryptophan What amino acids have negatively charged R groups? - Aspartate and Glutamate What amino acids have positively charged R groups? - Lysine, Arginine, and Histidine What is isoelectric f...

OCR A Level Chemistry Exam Questions With 100% Correct Answers Acid - answerA species that is a proton donor. activation energy - answerThe minimum amount of kinetic energy that particles need to have in order to react when they collide addition polymer - answerA very long molecular chain formed by repeated addition reactions of many unsaturated alkene molecules (monomers). addition polymerisation - answerThe process in which unsaturated alkene molecules (monomers) add on to a growing po...

acid ֎ -:- A species that is a proton donor. activation energy ֎ -:- The minimum amount of kinetic energy that particles need to have in order to react when they collide addition polymer ֎ -:- A very long molecular chain formed by repeated addition reactions of many unsaturated alkene molecules (monomers). addition polymerisation ֎ -:- The process in which unsaturated alkene molecules (monomers) add on to a growing polymer chain one at a time to form a very long saturated molecu...

What amino acids have nonpolar, aliphatic R groups? correct answers Glycine, Alanine, Proline, Valine, Leucine, Isoleucine, Methionine What amino acids have polar, uncharged R groups? correct answers Serine, Threonine, Cysteine, Asparagine, and Glutamine What amino acids have aromatic R groups? correct answers Phenylalanine, Tyrosine, and Tryptophan What amino acids have negatively charged R groups? correct answers Aspartate and Glutamate What amino acids have positively charged R gr...

A LEVEL CHEMISTRY EXAM WITH COMPLETE SOLUTIONS   alkali - A type of base that dissolves in water forming hydroxide ions, OH- (aq) ions. alkanes - The homologous series with the general formula: CnH2n+2. alkyl group - An alkane with a hydrogen atom removed, e.g. CH3, C2H5; alkyl groups are often shown as 'R'. amount of substance - The quantity whose unit of the mole. Chemists use 'amount of substance' as a means of counting atoms. anhydrous - A substance tha...

A LEVEL CHEMISTRY EXAM WITH COMPLETE SOLUTIONS   alkali - A type of base that dissolves in water forming hydroxide ions, OH- (aq) ions. alkanes - The homologous series with the general formula: CnH2n+2. alkyl group - An alkane with a hydrogen atom removed, e.g. CH3, C2H5; alkyl groups are often shown as 'R'. amount of substance - The quantity whose unit of the mole. Chemists use 'amount of substance' as a means of counting atoms. anhydrous - A substance tha...

general structure of an amino acid - answer-Central C, a hydrogen, an amino group, a carboxy acid group, and a side chain (R group) Glycine, Gly, G - answer-non-polar, aliphatic (does not have dissociable acid) Alanine, Ala, A - answer-non-polar, aliphatic (does not have dissociable acid) Proline, Pro, P - answer-non-polar, aliphatic (does not have dissociable acid) Leucine, Leu, L - answer-non-polar, aliphatic (does not have dissociable acid) Valine, Val, V - answer-non-polar, al...

MCB 2000 Exam 1 Alanine (ala) nonpolar aliphatic Glycine (gly) nonpolar aliphatic Valine (val) nonpolar aliphatic branched chain Leucine (leu) nonpolar aliphatic branched chain Isoleucine (ile) nonpolar aliphatic branched chain Proline (pro) nonpolar aliphatic ring structure that is not aromatic Phenylalanine (phe) nonpolar aromatic permits absorption of UV light at 280 nm Tyrosine (tyr) polar and nonpolar properties -amphipathic uncharged aromatic OH group Try...

Name three different functions of proteins. - Answer Transport, hormones, catalysis, structure, and protection What function does a protease have? - Answer catalysis. It degrades proteins What is the function of hormones? - Answer These proteins communicate from one cell to another What are the functional groups common to all amino acids? - Answer amine and carboxylic acid Briefly describe the five major groupings of amino acids. - Answer The amino acids are grouped into 1) nonp...