CHEM 441

Old Dominion University

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Old Dominion UniversityCHEM 441EXAM 2 BIOCHEMISTRY ( with all answers 100% CORRECT )

Old Dominion UniversityCHEM 441EXAM 2 BIOCHEMISTRY ( with all answers 100% CORRECT )
Exam (elaborations) • 15 pages • 2021

Question 1 0 out of 2 points Questions #1-3. A certain protein can bind one of two ligands: ligand A or ligand B. Below is a plot of the fractional saturation (Y) versus [ligand] for ligand A and l igand B. Question #1: By simply inspecting the graph, what is an approximate Kd(dissociation constant) for ligand A? Indicate appropriate units; briefly explain how you arrived at your answer. Selected Answer: Kd= [P][L] / [PL] = [50][60]/[50x60] =1 Correct Answer: ~ 50 uM (the Kd is the [ligand] at w...