Pka - Guides d'étude, Notes de cours & Résumés

Hydrophobic Effect Correct Answer-_________ is the enthalpic and entropic energies contribute to the net free energy of stabilization of globular proteins. Mass Action Correct Answer-The following equation is the analytical version of the principle of __________________________. ΔG = ΔG'o + R T lnQ, where Q = [C'][D'] / [A'][B'] Partition coefficient [It is a perturbation to the poise/balance of the participants in an equilibrium. (Take this into account to understand and...

Chapter 2 Protein Composition and Structure Matching Questions Use the following to answer questions 1-10: Choose the best answer from the list below. Not all of the answers will be used. a) L-amino acids b) water c) protons d) Zwitterions e) secondary structure f) tertiary structure g) Ramachandran h) cysteine i) extracellular j) histidine k) proline l) Sanger m) D-amino acids 1. ____________ Chiral type of amino acids found in proteins. Ans: a Section: 2.1 2. ____________ M...

3800 Exam 3 PKAT Question and answers 100% correct 2024/2025What structure is the functional unit of the kidney? the neuron the acinus the nephron the ureter - correct answer the nephron Which two hormones are synthesized in the kidney? cortisol and epinephrine testosterone and estrogen aldosterone and cortisol erythropoietin and renin - correct answer erythropoietin and renin What is the end result of activation of the renin-angiotensin-aldosterone system? increase in blood...

If the pka of a weak acid is 2.5, at which pH will this drug become more ionized? A. pH 5 B. pH 2.5 C. pH 1.5 D. pH 1 - Answer - A. For a weak acid, a higher pH increases ionization Which equation describes the rate of drug dissolution from a tablet? A. Fick's Law B. Henderson-Hasselbalch equation C. Michaelis-Menten equation D. Noyes-Whitney equation - Answer - D. The Noyes-Whitney equation describes the rate of drug dissolution from a tablet. Fick's first law of diffusion is s...

Exam 1 Correct Answer- A reaction consists of a reactant "R" being converted into a product "P". The change in enthalpy of the conversion is 5 kJ/mol, while the change in entropy is 35 kJ/mol. Therefore, thermodynamic coupling is not required for this reaction to reach an equilibrium. True/False Correct Answer-True Which of the following is true regarding a reaction that has a ΔG° = 0. The concentrations of the reactants and products are equal. The reaction will eventually arriv...

What is a BL acid? BL base? - ANSWERAcid is a proton donor while a base is proton acceptor List the 6 strong acids - ANSWERHClO4, HCl, HBr, HI, HNO3, H2SO4 List the 6 strong bases - ANSWERLiOH, NaOH, KOH, Ca(OH)2, Sr(OH)2, Ba(OH)2 What is the eq. for the dissociation of a weak acid? - ANSWERHA <=> H+ + A- Ka = ([H+][A-])/[HA] What is the eq. for base hydrolysis? - ANSWERB + H2O <=> BH+ + OH- Kb = ([BH+][OH-])/[B] What is the equation for pH and pOH? - ANSWERpH =...

ACS BIOCHEMISTRY EXAM UPDATE 2023&2024 GRADED A+ 100% ACCURATE 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 -...

CHEM 210 Exam 1 Review Questions With Accurate Solutions What is a BL acid? BL base? - ANSWERAcid is a proton donor while a base is proton acceptor List the 6 strong acids - ANSWERHClO4, HCl, HBr, HI, HNO3, H2SO4 List the 6 strong bases - ANSWERLiOH, NaOH, KOH, Ca(OH)2, Sr(OH)2, Ba(OH)2 What is the eq. for the dissociation of a weak acid? - ANSWERHA <=> H+ + A- Ka = ([H+][A-])/[HA] What is the eq. for base hydrolysis? - ANSWERB + H2O <=> BH+ + OH- Kb = ([BH+][OH...

Hydrophobic interactions make important energetic contributions to : a. binding of a hormone to its receptor protein b. enzyme-substrate interactions c. membrane structure d. three-dimensional folding of a polypeptide chain e. all of the above are true f. None of them correct answers E Which of the following is true about the properties of aqueous solutions? a. A pH change from 5.0 to 6.0 reflects an increase in the hydroxide ion concentration ([OH-]) of 20% b. A pH change from 6.0 to...

Portage Learning CHEM 210 Module 2 Exam Questions With Answers Latest Updated (Graded A+) Which attribute contributes to water’s unusual properties? The geometry of the molecule The polarity of the O-H bonds Question 3 The ability of water molecules to hydrogen bond The bond angle of water All of the answers are correct Question 4 What factor contributes to the bent shape of a water molecule? The dipole arrows in a water molecule The unshared electron pairs on the oxygen atom The e...