Bioenergetics Flashcards
Flow of energy in a biological system
Bioenergetics
Large to small molecules
Catabolism
Small to large molecules
Anabolism
Energy releasing
Exergonic
Require energy
Endergonic
Total of all catabolic and anabolic reactions
Metabolism
Breakdown of one molecule of ATP to yield energy
Hydrolysis
Catalyzes ATP
ATPase
Phosphagen and first phase of glycolysis occur in
Sarcoplasm
Oxidative occurs in
Mitochondria
Only these can be metabolized for energy without direct involvement of oxygen…
Carbs
Contribution of energy system based on…
Intensity and then duration
Provides ATP primarily for short term high intensity
Phosphagen system
Phosphagen system relies on…
Hydrolysis of ATP and breakdown of creatine phosphate.
Drives direction of reactions…
Law of mass Action
Breakdown of carbs to resynthesize ATP
Glycolysis
End rest of glycolysis
Pyruvate
Two things cA happen to pyruvate…
Converted to lactate. Shuttled to mitochondria