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A level P.E > Energy Systems (1.2) > Flashcards

Energy Systems (1.2) Flashcards

1
Q

ATP

A

adenosine triphosphate
energy currency
in every living tissue
2 seconds stored during vigorous exercise

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2
Q

exothermic reaction

A

reaction that releases heat
ATP –> ADP + P + Energy
breaks down ATP

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3
Q

endothermic reaction

A

reaction that requires energy
ADP + P + Energy –> ATP
Creates ATP

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4
Q

resynthesis of ATP

A

endothermic
ATP/PC system
Lactic acid system
Aerobic system

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5
Q

ATP/PC system process

A

energy + P + ADP –> ATP
PC –> P + C + energy (creatine kinase)
ADP + P + C –> ATP + C

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6
Q

ATP/PC system extra info

A 
3-10 seconds
high intensity
e.g 100m sprint or vault in gymnastics
muscle sarcoplasm
coupled reaction
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7
Q

ATP/PC system positives (3)

A

produces 1 ATP
fast
only 2 reactions

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8
Q

ATP/PC system negatives (2)

A

produces 1 ATP

doesn’t last long

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9
Q

Lactic acid system process

A 
.Glycogen - glucose 
GPP (glycogen phosphorylase)
.Glucose - pyruvic acid 
PFK (phosphofructokinase)
2 ATP
Pyruvic acid - lactic acid
LDH (lactate dehydrogenase)
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10
Q

Lactic acid system extra info

A

11-180 seconds
High intensity
e.g 400m-800m runner
muscle sarcoplasm

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11
Q

lactic acid system positives (2)

A

produces 2 ATP

lasts quite long

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12
Q

lactic acid system negatives (2)

A

quite long process

harmful bi products

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13
Q

glycolysis

A

the breakdown of glycogen

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14
Q

Aerobic system process stages

A

glycolysis
Kreb’s cycle
electron transfer chain

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15
Q

aerobic system glycolysis process

A 
.muscle sarcoplasm
.glycogen - glucose
GPP (glycogen phosphorylase)
.glucose - pyruvic acid
PFK (phosphofructokinase)
2ATP
.pyruvic acid - Kreb's cycle
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16
Q

aerobic system Kreb’s cycle process

A

.mitochondria matrix
.Aceytal CoA combines with oxaloacetic acid to form citric acid
.fuelled by FFA’s and O2
.during this, a series of reactions occur creating 2 ATP molocules
.CO2 is formed and breathed out as a waste product
.Hydrogen produced as a biproduct and taken to the next stage

17
Q

aerobic system electron transport chain process

A

.cristae of mitochondria
.hydrogen carried to electron transport chain by NAD(H) and FAD(H)
.hydrogen is removed by combining with oxygen and forming water

18
Q

aerobic system extra info

A

3 mins +
low intensity
e.g marathon

19
Q

aerobic system positives

A

produces 38 total ATP
lasts long
no harmful bi products

20
Q

aerobic system negatives (3)

A

long process
lots of reactions
only low intensities

21
Q

energy continuum

A

based on intensity and duration of exercise

allows us to find predominant energy system in an activity and inform it to be trained

22
Q

enzymes

A 
glycogen phosphorylase
phosphofructokinase
lactate dehydrogenase
creatine kinase
ATPase

A level P.E (21 decks)

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