Kcat - Study guides, Class notes & Summaries

Temperature correct answers Intensity of motion by the atoms in the object Heat correct answers Amount of energy in the object Endotherms correct answers generate internal heat Ectotherms correct answers rely on external temperatures to determine Tb Homeotherms correct answers defend a constant body temperature by physiological means Poikilotherms correct answers allow body temperature to vary Heterotherms correct answers have more than one temperature set point, or switch betw...

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 base to acid be? f) Fill in the blank: if pH is greater than the pKa of a weak acid, there w...

AAMC MCAT PRACTICE EXAM 2 | QUESTIONS & ANSWERS| ALREADY PASSED| VERIFIED & UPDATED C/P: What expression gives the amount of light energy (in J per photon) that is converted to other forms between the fluorescence excitation and emission events? "intensity of fluorescence emission at 440 nm excitation at 360 nm) was monitored for 20 minutes" A) (6.62 × 10-34) × (3.0 × 108) B) (6.62 × 10-34) × (3.0 × 108) × (360 × 10-9) C) (6.62 × 10-34) × (3.0 × 108) × [1 / (360 × 10-9) -...

AAMC MCAT PRACTICE EXAM 2 QUESTIONS AND ANSWERS RATED A+ 2023|2024 C/P: What expression gives the amount of light energy (in J per photon) that is converted to other forms between the fluorescence excitation and emission events? "intensity of fluorescence emission at 440 nm excitation at 360 nm) was monitored for 20 minutes" A) (6.62 × 10-34) × (3.0 × 108) B) (6.62 × 10-34) × (3.0 × 108) × (360 × 10-9) C) (6.62 × 10-34) × (3.0 × 108) × [1 / (360 × 10-9) - 1 / (440 × 10-9)...

Chem and Physics section - correct answer What atom is the site of covalent attachment of AMC to the model tetrapeptide used in the studies? - correct answer Because AMC is attached to the peptide on the carboxyl side. This suggests that an amide linkage involving the N atom in AMC is used to covalently attach the fluorophore to the peptide *a peptide bond between amino acids= covalent bond between carboxyl group of 1 amino acid to amino group of other, releasing water What expression give...

MCAT Practice Exam Latest Updated 2024 With Complete Solutions how to find net charge - pH<pKa, +1 charge pH>pKa, -1 charge pH=pKa, 0 charge enzyme kinetics - competitive-Km (increases) non-competitive-Vmax (decreases) uncompetitive-Km (decreases) and Vmax (decreases) enzyme inhibition - competitive-binds at active site non-competitive-binds at allosteric site uncompetitive-binds at allosteric site mixed type-Km varies, Vmax decreases Lineweaver Burke - 1/V=(Km/Vmax)(1...

C/P: What expression gives the amount of light energy (in J per photon) that is converted to other forms between the fluorescence excitation and emission events? "intensity of fluorescence emission at 440 nm excitation at 360 nm) was monitored for 20 minutes" A) (6.62 × 10-34) × (3.0 × 108) B) (6.62 × 10-34) × (3.0 × 108) × (360 × 10-9) C) (6.62 × 10-34) × (3.0 × 108) × [1 / (360 × 10-9) - 1 / (440 × 10-9)] D) (6.62 × 10-34) × (3.0 × 108) / (440 × 10-9) C) (6.62 × ...

Protein Engineering Exam Questions With Verified Answers. Rational Protein Engineering - answerThe process of designing proteins with specific properties and functions based on rational design principles. Synthesis - answerThe creation of new proteins or enzymes through chemical or biological methods. New Enzymes - answerProteins with catalytic activity that have been engineered to perform specific functions. Designer Proteins - answerProteins that have been designed and engineered for s...

BCH 400: Exam Questions & Answers 2023/2024 Enzyme cofactors that bind covalently at the active site of an enzyme are referred to as _________. - ANSWER-prosthetic groups. Which of the following kinetic parameters best describes how well suited a specific compound functions as a substrate for a particular enzyme? - ANSWER-kcat/Km Which of the following is characteristic of an enzyme catalyst? - ANSWER-It positions reactants in the correct orientation. It lowers the activation energy ba...

AAMC FL2 C-P Questions Review 2023 What atom is the site of covalent attachment of AMC to the model tetrapeptide used in the studies? A. I B. II C. III D. IV - This question is A because AMC is attached to the peptide on the carboxyl side. This suggests that an amide linkage involving the N atom in AMC is used to covalently attach the fluorophore to the peptide. The passage says AMC is removed from a peptide via peptide bond hydrolysis. Thus, AMC must form a peptide bond with t...