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Biol 005A Lectures 9 & 10 Notes (Metabolism)
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Metabolic themes covered include : anabolism, catabolism, bioluminescence, entropy, exergonic, endergonic reactions, and much more!

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  • March 21, 2024
  • 3
  • 2023/2024
  • Class notes
  • Katayoon dehesh
  • Lectures 9 and 10

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BIOL 005A Lectures 9 & 10 Notes
Metabolism
January 29th, 2024
Metabolism - A cell’s chemical reaction
A cell makes energy and then breaks it down

Anabolic - make energy
Catabolic - breaks energy
Building block of energy is sugar to make energy
Sugar are the building block and from there come proteins, fatty acids, etc

In order to get sugars there are different ways to obtain it

Bioluminescence - light
Chemical energy is converted to light energy
Metabolism is transformation of energy


Slide : Metabolism can be broken down into pathways and steps
In order for to go fast enough for an organism to survive they need enzymes
There can be a whole bunch of them (enzymes)
1-2-3 from starting molecule to produce the end product
- If the product is being made it is called anabolic
- Broken down back to the starting material it is called catabolic
Anabolic - being made & needs energy
Catabolic - broken down from the starting material & releases energy
Entropy - Increases random energy that is no longer available for work


Kinetic energy - Energy associated with motion
Thermal Energy - Kinetic energy associated with random movement of atoms or
molecules
Heat - is thermal energy in transfer between objects
Potential Energy - is energy that matter possesses because of its location or structure
Chemical energy - is potential energy available for release in chemical reaction

Slide : The laws of Energy Transformation
All of the energy transformation is based on thermodynamics

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