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Mapo apling leaming lenosine monophosphate (AMP) is a regulatory molecule in met

ID: 68219 • Letter: M

Question

Mapo apling leaming lenosine monophosphate (AMP) is a regulatory molecule in metabolic p s such as fore For example, it stimulates the glycolytic enzyme phosphofructokinase TP production, and it inhibits the gluconeogenic enzyme fructose 1,6-bisphosphatase Adenylate kinase catalyzes the reversible reaction shown here Mg ADP ATP+AMIP During periods of intense activity, when glycolysis is used in the generation of ATP, the reaction lies to the ADP], generating ATP, and accumulating AMP. However, [ATP] is usually much greater Pl is greater than [AMP] Determine [AMP] when 5% of the ATP in a hypothetical cell is hydrolyzed to ADP In this cell, the initial concentration of ATP is 271 and the total adenine nucleotide concentration (the concentration of ATP, ADP, and AMP) is 3.80 × 10° M. The equilibrium constant K is 0.82 What is the concentration of AMP after 5% of the ATP is hydrolyzed to ADP? Number A MPI = .085

Explanation / Answer

Based on this equation Since the conc is 3.80 x 102 µM

= 3.80 x 102 µM/4

0.95 * 102 * 5/100 µM