ATP releases energy.
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
Related questions
Question

Transcribed Image Text:3. ATP can be hydrolyzed to release energy in the following reaction:
ATP + H,0 5 ADP + PO,3- + H*
You may have heard or read that breaking the high energy O-P bond in ATP releases energy.
a. Why is this statement false?

Transcribed Image Text:b. It is true that the reaction releases energy (is exothermic). Why is the process exothermic?
Make sure you consider all the bonds breaking and forming.
c. The P-O bond that breaks in ATP is considered a high energy bond. What does that mean
in terms of the relative potential energy of the P-O bond in ATP that breaks and the P-O
bond in the "free" phosphate?
Expert Solution

Step 1
ATP hydrolysis :
It is a catabolic reaction in which chemical energy that is stored in the P-O or high energy phosphoanhydride bond in adenosine triphosphate(ATP) is released by breaking these bond in the process to form mechanical energy in muscles.
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