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Yr 11 PE > 12a. Fuels > Flashcards

12a. Fuels Flashcards

1
Q

What releases the energy for muscular contraction?

A

The high energy bond between the second and third phosphate in ATP breaking apart.

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2
Q

The high energy bond between the second and third phosphate in ATP breaking apart results in what?

A

Muscle contraction

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3
Q

What are carbohydrates stored as in the muscle?

A

glycogen

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4
Q

What are carbohydrates in the blood?

A

glucose

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5
Q

Where is glycogen found?

A

within muscle

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6
Q

Where is glucose found?

A

within the blood

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7
Q

What are fats stored as in the muscle?

A

trigylcerides

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8
Q

What are fats in the blood?

A

Free fatty acids

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9
Q

Where are free fatty acids found?

A

within the blood

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10
Q

Where are trigylcerides found?

A

skeletal muscle

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11
Q

What are proteins in the blood?

A

Amino acids

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12
Q

What are proteins stored as in the muscle?

A

Amino acids/muscle

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13
Q

Where are amino acids found?

A

in the blood and within the muscle

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14
Q

What food fuel is contributing most significantly at rest?

A

Fats

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15
Q

When do fats contribute most significantly?

A

At rest or after carbohydrates have depleted (after 90mins of continuous activity)

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16
Q

What food fuel is contributing most significantly at sub max intensity?

A

Carbohydrates (CHO)

17
Q

When do carbohydrates (CHO) contribute most significantly?

A

At sub max intensity

18
Q

What are the three metabolic by products?

A

ADP, Pi, H+ions

19
Q

What happens to fats and CHO use as exercise intensity increases?

A

Fats decrease contribution and CHO increase contribution

20
Q

What is the yield of fats?

A

High

21
Q

What fuel, CP, CHO or fats, has the highest yield?

A

fats

22
Q

What fuel, CP, CHO or fats, has the lowest yield?

A

CP

23
Q

What fuel has the highest oxygen cost?

A

Fats

24
Q

Which fuels do not require oxygen to be broken down?

A

CP and CHO

Yr 11 PE (21 decks)

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