Biochemistry
Biochemistry
6th Edition
ISBN: 9781305577206
Author: Reginald H. Garrett, Charles M. Grisham
Publisher: Cengage Learning
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Chapter 20, Problem 6P
Interpretation Introduction

To propose:

The larger ratio of (ATP)/(ADP)(Pi) is calculated when the ATP synthesis occurs.

Introduction:

The enzyme of ATP synthase produces the ATP (adenosine triphosphate) which the molecule that helps in storing the energy. In all organisms this ATP is used as the energy currency of cells.

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Velocity, activity units/mg protein 31 5 4 3 ~ 0 5 15 20 Aspartate concentration, mM 10 - Control - With CTP With ATP 25 Figure 2: Kinetics of ATCase in the presence of ATP and CTP (based on Gerhart and Pardee, 1962). The kinetics of the ATCase reaction were examined using increasing concentrations of aspartate, in the presence and absence of CTP and ATP as shown in Figure 2. a. What information can you obtain by looking at the shapes of the curves in this figure? b. What kinetic parameter(s) change in the presence of CTP? What parameter(s) do not change? What is the significance of these observations? c. Answer question 2b for ATP.
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