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BTEC Sport > Deck 2 - Aerobic Energy System > Flashcards

Deck 2 - Aerobic Energy System Flashcards

1
Q

State the three energy systems

A

The aerobic oxidative system, anaerobic glycolytic (lactic acid) and ATP-PC

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2
Q

What system is used when intensity is low and duration long

A

Aerobic oxidative system

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3
Q

Name the three stages of the aerobic oxidative system

A

Glycolysis, The Kreb Cycle and The Electron Transport Chain

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4
Q

Where does glycolysis within the aerobic oxidative system take place

A

The sarcoplasm

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5
Q

How many ATP are produced within glycolysis of the aerobic oxidative system

A

2 ATP

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6
Q

Glycolysis is the breakdown of glucose in to what acid

A

Pyruvic acid

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7
Q

During glycolysis within the aerobic oxidative system, oxygen is present so pyruvic acid is converted into what

A

Acetyl Coenzyme A

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8
Q

What happens to pyruvic acid if oxygen is not present within glycolysis

A

It forms lactic acid

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9
Q

What percentage of energy yield is contributed by protein

A

15%

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10
Q

Where is glycogen stored

A

Muscles and liver

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11
Q

Where do the second and third stages of the aerobic oxidative system take place

A

Mitochondria

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12
Q

Name the 4 things produced in The Kreb Cycle

A

Water, carbon dioxide, 2 ATP and hydrogen ions

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13
Q

Of the four things produced in The Kreb Cycle, which one enters The Electron Transport Chain

A

The Hydrogen Ions

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14
Q

How much ATP is produced in The Electron Transport Chain

A

32-34 ATP

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15
Q

How much ATP is produced overall in the aerobic oxidative system

A

36-38 ATP

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16
Q

What is the name given to the breakdown of stored fat

A

Beta Oxidation

17
Q

True or false, one positive of the aerobic oxidative system is that there is not fatiguing by-products

A

TRUE

18
Q

As a percentage, how much more oxygen is required to break down a molecule of fat, compared to glucose

A

15%

19
Q

How would you describe the energy yield of the aerobic oxidative system

A

Extremely high energy yield. This is a positive of this system

20
Q

Describe the speed that energy is produced within the aerobic energy system

A

This system has a slow speed of energy production. It can take minutes for this system to produce energy. It is not rapid. This is a negative

21
Q

What running event most predominantly engages the anaerobic glycolytic system

A

400m running

22
Q

What running event most predominantly engages the aerobic oxidative system

A

Marathon running

BTEC Sport (36 decks)

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