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A level PE physiology > Energy Systems > Flashcards

Energy Systems Flashcards

1
Q

What molecule provides energy?

A

ATP

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2
Q

Name the enzyme that breaks ATP

A

ATPase

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3
Q

What is ATP broken down into?

A

ATP —-> ADP+P+energy

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4
Q

How many seconds does the ATP stores last?

A

2-3

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5
Q

What system is the PC system?

A

Anaerobic

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6
Q

Name the enzyme that splits PC

A

Creatine Kinase

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7
Q

When PC gets split what are the products?

A

P+C+ energy

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8
Q

What is the energy from breaking PC used for?

A

attaching a P molecule onto ADP

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9
Q

How many molecules are produced for every PC molecule broken?

A

1

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10
Q

How long do the PC stores last for?

A

8-10 seconds

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11
Q

Name 2 sports performers the ATP-PC system would be useful for

A

Shot Putter
High jumper

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12
Q

What is the fuel source for anaerobic glycolysis?

A

glucose

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13
Q

What is glucose broken down into?

A

pyruvic acid

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14
Q

Due to no oxygen what does pyruvic acid get converted into?

A

lactic acid

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15
Q

How many molecules of ATP are produced by the lactic acid system (anaerobic glycolysis)?

A

2 ATP

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16
Q

How long can the lactic acid system last?

A

1-2 minutes

17
Q

Name the 3 stages of the aerobic energy system

A

aerobic glycolysis
Krebs cycle
Electron transport chain

18
Q

What is the energy source for aerobic glycolysis?

A

glucose

19
Q

What does glucose get broken down into ?

A

pyruvic acid

20
Q

Due to the presence of oxygen what does pyruvic acid make when it is combined with Coenzyme A

A

Acetyl CoA

21
Q

What does Acetyl CoA combine with?

A

oxaloacetic acid

22
Q

what does Acetyl CoA and oxaloacetic acid produce?

A

Citric acid

23
Q

What does Krebs cycle produce?

A

CO2
Hydrogen
2ATP

24
Q

What does hydrogen combine with?

A

oxygen

25
Q

How many molecules of ATP does the aerobic energy system produce?

A

36-38

A level PE physiology (5 decks)

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