Pka Study guides, Class notes & Summaries
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BCH 403 final exam questions 2023 Questions with Complete Solutions
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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...
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Biochemistry || Questions and 100% Verified Answers.
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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...
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Biochemistry and Metabolism Exam 1 Questions with Complete Solutions.
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Biochemistry and Metabolism Exam 1 Questions with Complete Solutions. 
What are proteins made from? -Answer- amino acids 
What are some functions of proteins? (5) -Answer- structural, enzymatic, transport, 
defense, contractile 
Which isomer of carbohydrates is used in animals? -Answer- D 
What are DNA and RNA made of? -Answer- nucleic acids 
All lipids are formed from... -Answer- acetyl Co-A 
Complex lipids -Answer- phospholipids and glycolipids 
Simple lipids -Answer- triglycerides 
functions ...
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CHEM 210 Exam 1 Review Questions With Correct Solutions
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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 =...
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MTM-Final Exam Basic Science
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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...
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CHEM 210 Exam 3 study Questions and Correct Answers, Complete Solution 2024.
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CHEM 210 Exam 3 study Questions and Correct Answers, Complete Solution 2024. 
 
poor LB 
CA pka<15 + unhindered anion OR uncharged sp3 N,P,S 
CA pka<15 + unhindered anion OR uncharged sp3 N,P,S 
poor LB description 
 
poor LB 
Cl, Br, I, N3, CN, HS, RS, RO2 + uncharged R3N/P, RSH, H2S 
poor LB 
S-R 
poor LB 
HS 
 
poor LB 
CN
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CHEM 210 Exam 1 Review Questions With Accurate Solutions
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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...
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Portage Learning CHEM 210 Module 2 Exam Questions With Answers Latest Updated 2024- 2025 (Graded A+)
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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...
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RNAS C Practice Test Review 437 Questions with Verified Answers,100% CORRECT
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RNAS C Practice Test Review 437 Questions with Verified Answers 
 
A capacitor and resisitor in parallel - CORRECT ANSWER will have same voltage across since in parallel. 
if in series, voltage drops would occur 
 
they can be treated together 
 
If the absolute pressure of a gas is increased from 3 atm to 4 atm at constant volume, then the absolute temperature of the gas will increase by: 
A. 25%. 
B. 33%. 
C. 67%. 
D. 75% - CORRECT ANSWER B. Assuming the validity of the Ideal-Gas law, PV = n...
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CMMB 403 Midterm 1 Question and answers 100% correct
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CMMB 403 Midterm 1 Question and answers 100% correct CMMB 403 Midterm 1 
 
 
Describe the RTK signal transduction pathway when activated by the FGF ligand 
FGF ligand dimerizes RTK receptor. Receptor is phorphorylated and attracts adaptor/GEF. GEF begins phosphorylation cascade: GEF to Ras to Raf to Mek to Erk to TF. TF transcribes gene 
 
 
Describe the JAK-STAT pathway when activated by FGF 
FGF ligand dimerizes RTK. JAK2 proteins cross-phosphorylate. Both JAK2s phosphorylate a STAT5 (which is...
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