I have a very basic question. Energy is absorbed to break bonds. Bond-breaking is an endothermic process. Energy is released when new bonds form. Bond-making is an exothermic process.
But ATP breaks down to ADP and releases energy right? Is there anything wrong in my understanding?
Answer
Bonds are formed between water and phosphate. Here is a good link:
Bonds are both broken and made in chemical reactions but many biology teachers and textbooks state that "Breaking ATP bonds releases energy." In reactions bonds are broken and made. If the strength of the bonds formed is exceeded by the strength of the bonds broken the reaction is exothermic.
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