Biochemistry acs exam b - Study guides, Class notes & Summaries

ACS Biochemistry Practice Final, FGCU, Beharry, Coticone Exam with 100% Correct Answers 1. A weak acid, HA, has a pKa of 4.11. a) At pH 7.11, what will the ratio of conjugate base to acid be? (Henderson-Hasselbach equation: pH=pKa + log [A-]/[HA]) b) Based on answer to "a," is there more HA or A- at that pH? c) At pH 2.11, what will the ratio of conjugate base to acid be? d) Based on answer to "c," is there more HA or A- at that pH? e) At pH 4.11, what will the ratio of conjugate ba...

ACS BIOCHEMISTRY 360 FINAL EXAM REVIEW KEY 2023/2024.WITH 100% CORRECT ANSWERS AND FEEDBACK(Verified 1. Which of the following statements about collagen is correct? a) Collagen contains a high proportion of hydroxylated proline residues. b) Collagen is a globular, intracellular protein. c) Post-translational modification of collagen involves vitamin A. d) The structure of collagen consists of a superhelix of three α helices twisted together Explanation – collagen has α chains, NOT he...

ACS Biochemistry First Semester 2023 Exam Questions With Correct Answers Buffer Order and Henderson Hasselbach - ANSWERS Water, Buffer, Salt, Base pH = pKa + log(A/HA) pKa decrease as temp increase so pH decrease Ramachandran plots - ANSWERS Φ = N-R ψ = C-R optimal angle to prevent steric hinderance Protein structure of a helix, B sheet, reverse turn - ANSWERS a: LEMARKHQ B: VICYFTW RT: PSDNG how many amino acids in alpha turn helix - ANSWERS 3.6 ...

This study source was downloaded by from CourseH on 03-08-2023 02:12:27 GMT -06:00 ACS BIOCHEMISTRY EXAM – OBU Latest Graded A+ Separation of Organelles / Fractionation of Cells - ANSWER Differential Centrifugation 1. Tissue Homogenization 2. Low speed centrifugation (whole cells, nuclei, membrane) 3. Medium speed centrifugation (mitochondria, lysosomes, peroxisomes) 4. High speed centrifugation (microsomes -fragments of ER) 5. Very high-speed centrifugation (soluble proteins) Isopycnic C...

This study source was downloaded by from CourseH on 03-08-2023 02:12:27 GMT -06:00 ACS BIOCHEMISTRY EXAM – OBU Latest Graded A+ Separation of Organelles / Fractionation of Cells - ANSWER Differential Centrifugation 1. Tissue Homogenization 2. Low speed centrifugation (whole cells, nuclei, membrane) 3. Medium speed centrifugation (mitochondria, lysosomes, peroxisomes) 4. High speed centrifugation (microsomes -fragments of ER) 5. Very high-speed centrifugation (soluble proteins) Isopycnic C...

This study source was downloaded by from CourseH on 03-08-2023 02:12:27 GMT -06:00 ACS BIOCHEMISTRY EXAM – OBU Latest Graded A+ Separation of Organelles / Fractionation of Cells - ANSWER Differential Centrifugation 1. Tissue Homogenization 2. Low speed centrifugation (whole cells, nuclei, membrane) 3. Medium speed centrifugation (mitochondria, lysosomes, peroxisomes) 4. High speed centrifugation (microsomes -fragments of ER) 5. Very high-speed centrifugation (soluble proteins) Isopy...

ACS BIOCHEMISTRY 2023 EXAM – OBU Latest Graded A+Updated Separation of Organelles / Fractionation of Cells - ANSWER Differential Centrifugation 1. Tissue Homogenization 2. Low speed centrifugation (whole cells, nuclei, membrane) 3. Medium speed centrifugation (mitochondria, lysosomes, peroxisomes) 4. High speed centrifugation (microsomes -fragments of ER) 5. Very high-speed centrifugation (soluble proteins) Isopycnic Centrifugation - ANSWER Sucrose-Density (components separated by den...

ACS BIOCHEMISTRY EXAM 2023 – OBU Latest Graded A+ Updated Separation of Organelles / Fractionation of Cells - ANSWER Differential Centrifugation 1. Tissue Homogenization 2. Low speed centrifugation (whole cells, nuclei, membrane) 3. Medium speed centrifugation (mitochondria, lysosomes, peroxisomes) 4. High speed centrifugation (microsomes -fragments of ER) 5. Very high-speed centrifugation (soluble proteins) Isopycnic Centrifugation - ANSWER Sucrose-Density (components separated by d...

ACS BIOCHEMISTRY EXAM Q&A With complete solution 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 - ANSWER Separates sa...