Isoelectric focusing Study guides, Revision notes & Summaries

Which of the following aminoacidopathies is NOT caused by an enzyme deficiency? Choose one answer. a. phenylketonuria b. alkaptonuria c. maple syrup disease d. cystinuria d. cystinuria What method is most commonly used to measure total protein? Choose one answer. a. dye binding b. Kjeldahl c. Biuret d. refractometry c. Biuret Which of the following is the preferred reagent for measuring albumin by the dye binding method because there is less interfering substances? Cho...

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...

ACS BIOCHEMISTRY EXAM QUESTIONS AND ANSWERS Henderson-Hasselbach Equation - answerpH = pKa + log ([A-] / [HA]) FMOC Chemical Synthesis - answerUsed in synthesis of a growing amino acid chain to a polystyrene bead. FMOC is used as a protecting group on the N-terminus. Salting Out (Purification) - answerChanges soluble protein to solid precipitate. Protein precipitates when the charges on the protein match the charges in the solution. Size-Exclusion Chromatography - answerSeparates sample b...

ACS BIOCHEMISTRY EXAM WITH 100% CORRECT ANSWERS Henderson-Hasselbach Equation - answerpH = pKa + log ([A-] / [HA]) FMOC Chemical Synthesis - answerUsed in synthesis of a growing amino acid chain to a polystyrene bead. FMOC is used as a protecting group on the N-terminus. Salting Out (Purification) - answerChanges soluble protein to solid precipitate. Protein precipitates when the charges on the protein match the charges in the solution. Size-Exclusion Chromatography - answerSeparates samp...

The chirality of an amino acid results from the fact that its α carbon: A) has no net charge. B) is a carboxylic acid. C) is bonded to four different chemical groups. D) is in the L absolute configuration in naturally occurring proteins. E) is symmetric. C) is bonded to four different chemical groups. Of the 20 standard amino acids, only ___________ is not optically active. The reason is that its side chain ___________. A) alanine; is a simple methyl group B) glycine; is a hydrog...

ACS BIOCHEMISTRY EXAM QUESTIONS AND ANSWERS Henderson-Hasselbach Equation - answerpH = pKa + log ([A-] / [HA]) FMOC Chemical Synthesis - answerUsed in synthesis of a growing amino acid chain to a polystyrene bead. FMOC is used as a protecting group on the N-terminus. Salting Out (Purification) - answerChanges soluble protein to solid precipitate. Protein precipitates when the charges on the protein match the charges in the solution. Size-Exclusion Chromatography - answerSeparates sample b...

ACS BIOCHEMISTRY EXAM Q&A With complete solution 2023 Henderson-Hasselbach Equation - ANSWER pH = pKa + log ([A-] / [HA]) FMOC Chemical Synthesis - ANSWER Used in synthesis of a growing amino acid chain to a polystyrene bead. FMOC is used as a protecting group on the N-terminus. Salting Out (Purification) - ANSWER Changes soluble protein to solid precipitate. Protein precipitates when the charges on the protein match the charges in the solution. Size-Exclusion Chromatography - ANSW...

ACS BIOCHEMISTRY EXAM QUESTIONS WITH CORRECT SOLUTIONS Henderson-Hasselbach Equation - CORRECT ANSWERS pH = pKa + log ([A-] / [HA]) FMOC Chemical Synthesis - CORRECT ANSWERS Used in synthesis of a growing amino acid chain to a polystyrene bead. FMOC is used as a protecting group on the N-terminus. Salting Out (Purification) - CORRECT ANSWERS Changes soluble protein to solid precipitate. Protein precipitates when the charges on the protein match the charges in ...

Biochemistry Test 1 Questions and Answers Graded A+ biochemistry a discipline in biochemistry; is the description of molecules in biology/chemistry of proteins molecular biology a discipline in biochemistry; the manipulation of DNA, genetics cell biology a discipline in biochemistry; larger scale, functions and mechanisms within a cell/cell energetics cellulose a natural polymer; found in plants for storage glycogen a natural polymer; found in animals for storage protein a natural polymer; ...

AAB MT CHEMISTRY PRACTICE QUESTIONS AND CORRECT ANSWERS 2023/2024 Which of the following aminoacidopathies is NOT caused by an enzyme deficiency? Choose one answer. a. phenylketonuria b. alkaptonuria c. maple syrup disease d. cystinuria - CORRECT ANSWER-d. cystinuria What method is most commonly used to measure total protein? Choose one answer. a. dye binding b. Kjeldahl c. Biuret d. refractometry - CORRECT ANSWER-c. Biuret Which of the following is the preferred reagent f...