Big Picture Flashcards
ATP decreases the activity of:
- Oxidative Phosphorylation
- PDHC
- PFK-1
ADP increases the activity of:
- Oxidative Phosphorylation
2. PDHC
AMP increases the activity of:
- PFK-1
- Glycogen phosphorylase
- CPT-1
What is the blood glucose source during Fed state (0-4hrs)?
Gut
What is the blood glucose source during Early fasted (3-24hrs)?
Liver Glycogen
What is the blood glucose source during starvation (8hrs and beyond)?
Gluconeogenesis, FA oxidation, and glycogenolysis
During a sprint where do you get your energy?
Stored ATP and anerobic glycolysis
During a run where do you get your energy?
Stored ATP, anerobic glycolysis, and oxidative phosphorylation
During a marathon where do you get your energy?
Glycogen and FA oxidation
During Fed stage what cycles are prominent?
Glycolysis and Aerobic Respiration
During Fed state what does insulin do?
Insulin increases and stimulates fuel storage
During Fasting state what cycles are prominent?
Hepatic glycogenolysis
During Fasting state what does glucagon and epinephrine do?
Increase and stimulate use of fuel reserves
Prolonged starvation (over 3 days) what is the main source of energy for the brain and heart?
Ketone bodies
After depletion of ketone bodies what occurs?
Vital protein degradation leading to organ failure and death. Amount of FA stored determines survival time.