1: Energy Sources Flashcards
What are the 3 forms of carbohydrates?
- Monosaccharides 2. Disaccharides 3. Polysaccharides
What is maltose?
disaccharide
Where are simple carbohydrates found?
foods that are refined and packaged, such as sugar, honey, milk, and fruit juices
What is hydrolysis?
Breakdown of ATP (H+ ion formation)
Which system releases energy to resynthesize a few moles of ATP?
Anaerobic glycolysis
Which system utilizes the Krebs cycle and what is it?
Aerobic, removal of H atoms
What does endurance training do to IM glycogen?
Increases
What is the total moles of ATP available (max capacity) for the ATP-PC system?
0.7
What is the oxygen utilization of fat?
- 4 L * 23 moles = 515.2 L O2 = 130 ATP
- 96 L/mole ATP
At rest, ____ of ATP is derived from carbs and ____ is derived from fat?
33% from carbs, 66% from fat
What is metabolized during duration exercise?
triglycerides or carbohydrates
What is using oxygen utilized, CO2 produced, and their ration to calculate metabolic rate?
Indirect calorimetry
What is the maximal rate at which oxygen can be consumed?
Max VO2
1 mole of glucose breaks down into _______ of lactic acid?
180 gm
What is cellulose?
polysaccharide
What is an anabolic reaction?
forming of produce from molecules
What special about lactic acid?
It decreased production of useful energy, diminishing intensity or speed of activity)
What happens once the muscle activity is ceased during ATP-PC metabolism?
Once the muscle activity is ceased, the process is reversed and ATP is hydrolyzed to rebuild the muscle stores
Where does aerobic metabolism take place?
mitochondria
What do NAD and FAD produce in the mitochondria?
NAD produces 3 ATP and FAD produces 2 ATP
What is the oxygen utilization of glucose?
- 4 L O2 x 6 moles = 144.4 L O2 = 39 ATP
- 45L/mole of ATP
What is the moles of ATP/min for the ATP-PC system?
3.6
What does anaerobic metabolism involve?
carbohydrates
What is the chemical fuel used, speed, and relative ATP production of ATP-PC system?
Phosphocreatine, fastest, few/limited