BIOLOGY
BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 6, Problem 3A
Summary Introduction

Introduction:

The cells use the ATP (adenosine triphosphate) molecules for carrying out the energy-requiring processes. The ATP is the high energy phosphate compound. The energy of the cell is stored in the bonds of the ATP molecule.  Hence, it is also referred to as the currency of the cell.

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the change in kinetic parameters caused by a competitive inhibitor is ? a) a decrease in apparent KM b) an increase in apparent KM c) a decrease in apparent Vmax d) an increase in catalytic efficiency e) an increase in apparent Vmax
The standard free energy variation of the ATP hydrolysis reaction is ΔGº’ = -30.5 kJ / mol ATP + H2O ⇄ ADP + Pi In red blood cells, when the concentration of Pi is 1.6 mM, the real change in energy free is ΔG = - 50'2 kJ / mol. a) Calculate under these conditions what is the ratio [ATP] / [ADP] in the red blood cells. b) Determine the equilibrium constant K 'of the reaction outlined above. c) If the ADP concentration were 0.2mM, what would be the effective concentration of ATP corresponding to equilibrium.
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