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BTEC Sport Unit 1 > PAPER 1 - Energy for Exercise > Flashcards

PAPER 1 - Energy for Exercise Flashcards

1
Q

What is ADENOSINE TRIPHOSPHATE ?

A

a high-energy compound which is the only immediately available SOURCE OF ENERGY for MUSCULAR CONTRACTION

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2
Q

What at ATPase ?

A

an ENZYME which catalyses the BREAKDOWN of ATP

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3
Q

What is an EXOTHERMIC REACTION ?

A

a reaction that releases energy

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4
Q

What is ADENSONE DIPHOSPHATE ?

A

a compound formed by the REMOVAL of a PHOSPHATE BOND from ATP

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5
Q

What is an ENDOTHERMIC REACTION ?

A

a chemical reaction which absorbs energy

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6
Q

What is CREATINE KINASE ?

A

an enzyme which catalyses the BREAKDOWN of PHOSPHOCREATINE

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7
Q

What is a COUPLED REACTION ?

A

where the products of one reaction are used in another reaction

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8
Q

What are the 3 energy systems ?

A
  • ATP-PC system
  • glycolytic system
  • aerobic system
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9
Q

What is PHOSPHOFRUCTOKINASE (PFK)

A

an ENZYME which catalyses the BREAKDOWN of GLUCOSE (glycolysis)

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10
Q

What is the full name of the enzyme PFK ?

A

PHOSPHO - FRUCTO - KINASE

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11
Q

What is ANAEROBIC GLYCOLYSIS ?

A

the partial breakdown of glucose into PYRUVIC ACID

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12
Q

What is LACTATE DEHYGROGENASE (LDH) ?

A

an ENZYME which catalyses the CONVERSION of PYRUVIC ACID into LACTIC ACID

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13
Q

What is the full name of the enzyme LDH ?

A

LACTATE DE - HYDRO - GENASE

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14
Q

ATP-PC SYSTEM : TYPE OF REACTION

A

anaerobic

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15
Q

ATP-PC SYSTEM : SITE

A

sarcoplasm

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16
Q

ATP-PC SYSTEM : FOOD FUEL

A

phosphocreatine

17
Q

ATP-PC SYSTEM : ENZYMES

A

creatine kinase

18
Q

ATP-PC SYSTEM : ATP YIELD

A

1 : 1

19
Q

ATP-PC SYSTEM : STAGES

A

PC –> P + C + energy (EXOTHERMIC)

energy + P + ADP (ENDOTHERMIC)

20
Q

ATP-PC SYSTEM : BY-PRODUCTS

A

none

21
Q

ATP-PC SYSTEM : INTENSITY

A

very high intensity

22
Q

ATP-PC SYSTEM : DURATION

A

2 - 10 secs

23
Q

GLYCOLYTIC SYSTEM : TYPE OF REACTION

A

anaerobic

24
Q

GLYCOLYTIC SYSTEM : SITE

A

sarcoplasm

25
Q

GLYCOLYTIC SYSTEM : FOOD FUEL USED

A

glycogen / glucose

26
Q

GLYCOLYTIC SYSTEM : ENZYME

A

PFK and LDH

27
Q

GLYCOLYTIC SYSTEM : YIELD

A

1 : 2

28
Q

GLYCOLYTIC SYSTEM : STAGES

A

anaerobic glycolysis: glycogen -> glucose -> pyruvic acid + energy

lactate pathway: pyruvic acid -> lactic acid

energy + 2P + 2ADP -> 2ATP (ENDOTHERMIC)

29
Q

GLYCOLYTIC SYSTEM : BY-PRODUCTS

A

lactic acid

30
Q

GLYCOLYTIC SYSTEM : INTENSITY

A

high intensity

31
Q

GLYCOLYTIC SYSTEM : DURATION

A

10s - 3min (peak at 1min)

32
Q

What is the KREB’S CYCLE ?

A

the SECOND STAGE of the aerobic system producing energy to RESYNTHESISE 2 ATP in the MITOCHONDRIA MATRIX

33
Q

What is the ELECTRON TRANSPORT CHAIN (ETC) ?

A

the THIRD STAGE of the aerobic system producing energy to RESYNTHESISE 34 ATP in the MITOCHONDRIA CRISTAE

BTEC Sport Unit 1 (7 decks)

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