Term
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Definition
Fuel sources from which we make energy
(adenosine triphosphate [ATP])
Carbohydrate, fat, protein |
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Term
| Process of converting substrates into energy |
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Definition
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Term
| Energy release can be calculated from ____________ ______________ |
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Definition
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Term
| All carbohydrates must be converted to ____________________ |
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Definition
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Term
| When is glycogen converted back to glucose? |
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Definition
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Term
| What substrate is used for quick, high intensity exercise? |
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Definition
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Term
| What substrate is used for prolonged, less intense exercise? |
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Definition
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Term
| What substrate is used during starvation? |
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Definition
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Term
| Converting protein into FFAs is called ______________________ |
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Definition
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Term
Which holds on to glycogen longer?
A - Muscle
B - Liver |
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Definition
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Term
| For fat to be used as an energy source it must be broken down to __________________________________________________ |
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Definition
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Term
True or False
ATP is stored in large amounts until needed. |
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Definition
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Term
Which energy system is best describes as:
Anaerobic
Has a duration of 3 to 15 s
Replenishes ATP store during rest |
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Definition
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Term
| PCr breakdown is catalyzed by _________________ |
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Definition
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Term
Which energy system is best described as:
Anaerobic
Duration: 15 s - 2 min
Breakdown of glucose via glycolysis |
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Definition
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Term
| What is the substrate used in the glycolytic system? |
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Definition
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Term
| The pathway in the glycolytic systems starts with _________________ and ends with _____________________ |
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Definition
start: glucose-6-phosphate
end: pryuvic acid |
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Term
| Glycolytic system yields ______ ATP for glucose or ___________ ATP from glycogen |
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Definition
glucose: 2 ATP
glycogen: 3ATP |
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Term
| What is the rate-limiting enzyme in the glycolytic system? |
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Definition
| Phosphofructokinase (PFK) |
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Term
What energy system is best described by:
Aerobic
Has a high ATP yield
Duration: steady supply for hours |
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Definition
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Term
| What are the 3 stages in the Oxidation of carbohydrate? |
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Definition
Stage 1 : Glycolysis
Stage 2: Krebs cycle
Stage 3: Electron transport chain |
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Term
| What is the breakdown of glucose called? It may be anaerobic or aerobic. |
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Definition
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Term
| The process by which glycogen is synthesized from glucose to be stored in the liver or muscle is called__________________ |
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Definition
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Term
| What is the term used for the process by which glycogen is broken down into glucose-1-phosphate to be used for energy production. |
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Definition
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Term
| The oxidation of fat yields 3 to 4 time more ATP than ________________ |
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Definition
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Term
| The process of converting FFAs to acetyl-CoA before entering the Krebs cycle. |
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Definition
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Term
True or False
Oxidation of Protein is rarely used as a substrate |
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Definition
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Term
True or False
All muscles exhibit maximal oxidative capabilities |
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Definition
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Term
Yes or No
Does enzyme activity predict oxidative potential? |
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Definition
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Term
True or False
All three energy systems interact for all activities |
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Definition
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