Pka Study guides, Class notes & Summaries

Henderson-Hasselbalch Equation Correct Answer-pH = pka + log([un]/[pro]) higher pka = higher affinity for H+ pH > pka, H+ is predominantly off pH < pka, H+ is predominantly on Ionizable Groups Correct Answer-Terminal Carboxyl Terminal Amino Acidic AA (ASP and GLU) Basic AA (HIS, CYS, LYS, TYR, and ARG) Aliphatic AA Correct Answer-Carbon based: "Guys! Alissa Values Likes on Instagram1" GLY, ALA, VAL LEU, ILE Aromatic AA Correct Answer-Form rings: "Pheobe is Tyred o...

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...

MTM-Final Exam Basic Science Ionized forms like A- and BH+ are ________ and ______ diffusible across membrane water; poorly generic equation used to calculate week acidic and basic drugs 10 ^(pka-pH) = protonated/unprotonated equation to calculate weak acidic drugs 10^(pka-pH) = [nonionized(HA)]/[ionized(A-)] equation to calculate weak basic drugs 10^(pka-pH) = [ionized (BH+)]/[nonionized(B0] if the pka and pH difference is 1 or -1: ionization is 90% or 10% if the pka and pH differe...

CHEM 210 Exam 1 Review 2024 With Questions And Answers - Portage Learning. What is a BL acid? BL base? - Answer Acid is a proton donor while a base is proton acceptor List the 6 strong acids - Answer HClO4, HCl, HBr, HI, HNO3, H2SO4 List the 6 strong bases - Answer LiOH, NaOH, KOH, Ca(OH)2, Sr(OH)2, Ba(OH)2 What is the eq. for the dissociation of a weak acid? - Answer HA <=> H+ + AKa = ([H+][A-])/[HA] What is the eq. for base hydrolysis? - Answer B + H2O <=> BH+ + OHKb = ([BH+]...

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...

What occurs when CO2 enters the blood? Hint, see this link (it might be slow to respond). But the problem can be answered based on lecture notes and deductive reasoning [HCO3-] increases the pH of the blood increases the pKa of the blood decreases [H3O+] in the blood decreases Correct Answer-[HCO3-] increases If a water solution has a [OH-] concentration of 1 X 10-9, the pH would likely be: 6 4 7 5 8 Correct Answer-5

DPR FINAL EXAM 2024 WITH 100% CORRECT ANSWERS 1. Which of the following is important for increased neurotransmitter release from the siphon sensory neuron of aplysia in response to sensitization? a. Increased action potential frequency b. Action potential broadening c. None of these d. Increased action potential intensity - correct answer Action potential broadening 1. Regarding classical conditioning inaplysia, what is the coincidence detector a. Calmodulin b. PKC c. PKA d. Adenyl...

what kind of receptors recognize hydrophobic signals such as steroid hormones? A. cell surface receptors B. intracellular receptors C. any of the above Correct Answer-b which type of signaling uses secreted signals that function as local mediators? A. endocrine signaling B. paracrine signaling C. contact dependent signaling D. neuronal signaling Correct Answer-paracrine signaling in a signal transduction pathway controlled by G protein coupled receptors, PKA is located A. upstr...

CHEM 210 Exam 1 Review 2024 With Questions And Answers - Portage Learning. What is a BL acid? BL base? - Answer Acid is a proton donor while a base is proton acceptor List the 6 strong acids - Answer HClO4, HCl, HBr, HI, HNO3, H2SO4 List the 6 strong bases - Answer LiOH, NaOH, KOH, Ca(OH)2, Sr(OH)2, Ba(OH)2 What is the eq. for the dissociation of a weak acid? - Answer HA <=> H+ + AKa = ([H+][A-])/[HA] What is the eq. for base hydrolysis? - Answer B + H2O <=> BH+ + OHKb = ([BH+]...

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...