Introduction to Metabolism Flashcards
1
Q
What is metabolism?
A
- Anabolic and catabolic reactions
- Totality of an organism’s chemical reactions
2
Q
Catabolism
A
Breakdown of molecules
3
Q
Anabolism
A
Build-up of molecules
4
Q
Kinetic energy
A
Energy of motion
5
Q
Thermal energy
A
Kinetic energy associated with the random movement of atoms or molecules
6
Q
Heat
A
Transfer of thermal energy
7
Q
Potential Energy
A
- Stored energy
- Energy available to do work
8
Q
Chemical Energy
A
- Potential energy available for release in a chemical reaction
9
Q
1st Law of thermodynamics
A
Energy cannot be created nor destroyed but can be transformed from one form to another
10
Q
2nd Law of thermodynamics
A
Every energy transfer or transformation increases the entropy of the universe
11
Q
Formulas to calculate changes in free energy
A
ΔG=ΔH-TΔS
ΔG=Gfinal-Ginital
12
Q
What does the G variable stand for?
A
Gibbs free energy
13
Q
What does the H variable stand for?
A
enthalpy
14
Q
What does the T variable stand for?
A
total temperature
15
Q
What does the S variable stand for?
A
Entropy
