HHP 3114 Unit 1 Exam Study Guide | Complete Solutions (Answered)
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Course
HHP 3114
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HHP 3114
HHP 3114 Unit 1 Exam Study Guide | Complete Solutions (Answered) Without ATP we cannot what? Function What is THE fuel for high intensity? Can we exhaust these? carbohydrates, we can exhaust these What is an endless supply of energy for us? lipids (fat) Describe lipids ATP wise big time contribut...
What is THE fuel for high intensity? Can we exhaust these?
carbohydrates, we can exhaust these
What is an endless supply of energy for us?
lipids (fat)
Describe lipids ATP wise
big time contributor to ATP production at lower intensity
Triglycerides → glycerol → fatty acid → get it into the muscle fiber → get it to the
mitochondria etc etc
AKA- this TAKES TIME! So not for high intensities
Unlike carbohydrates, we cannot deplete our fats
When talking about energy metabolism what is almost a non factor?
Proteins
Describe proteins ATP wise
Very important in our bodies
Synthesizing muscle, transporting different molecules
As an energy source? It stinks! It is very dense, takes a lot or break it down to get it to
ATP
What is glycolysis?
the breakdown of glucose by enzymes, releasing energy and pyruvic acid.
Describe glycolysis
1st step in forming ATP from glucose begins with glycolysis
Glucose metabolism is an essential energy source for all cells and particularly vein AND
RED BLOOD CELLS
GLYCOLYSIS IS A 10 STEP ANAEROBIC CATABOLIC PATHWAY THAT TAKES
PLACE IN THE CYTOSOL OF THE CELLS
Begins with one 6 carbon glucose molecule
Ends with 2 3 carbon molecules of pyruvate and 2 net molecules of ATP
Glycolysis also generators hydrogen ions
Coenzyme NAD picks up hydrogen ions to form NADH
NADH carries hydrogen ions and electrons to the electron transport chain
True or false: lactate always means fatigue
, False
What is the respiratory exchange ratio?
Ratio between rates of CO2 production, O2 usage
(telling us an estimate of how much fat contribution and how much carb contribution is
taking place to help us produce ATP)
What is creatine phosphate?
The storage molecule for excess ATP energy in resting muscle
Why doesn't ATP-CP system last longer thann 15-30 seconds?
we ran out of phosphate
What is the ATP-CP system?
It is very anaerobic, 15-30 seconds long
At the end of anaerobic glycolysis what is the primary end product?
2 molecules of lactic acid
At the end of aerobic glycolysis what is the primary end product?
2 molecules of pyruvate
At the end of glycolysis (doesn't matter which one) how much ATP do we get?
2 NET molecules of ATP
4 GROSS molecules of ATP
2 NADH
Where does glycolysis happen?
sacroplasam of the muscle cell
We now are transitioning from sarcoplasm to the mitochondria
This is where oxygenated ATP production takes place
We get 2 Pyruvates (or lactates)
Where is glucose stored?
liver and muscles
Pyruvate needs to become what in the intermediate step?
Acetyl CoA
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