8- Energy and metabolism Flashcards
Principles of energy transformations and biochemical energetics
1
Q
The first law of thermodynamics
A
Energy is neither created or destroyed during any conversion. Total energy before and after conversion is the same.
2
Q
The second law of thermodynamics
A
When energy is converted from one form to another, disorder tends to increase. Some of the energy becomes unavailable to do work. (No reaction is totally efficient).