The Sliding Filament Model

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Smallest contractile unit of a muscle
Sarcomere
1 of 16
Marks the end and beginning of the sarcomere
Z line
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Thin filament
Actin
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Thick filament
Myosin
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Rod-shaped protein
Tropomyosin
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Myosin head attatches to surroudning actin filaments forming...
Crossbridge
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Head group bends back, causing thin filament to be pulled along and overlap with thick filament
Power stroke
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Pi is known as...
Inorganic phosphate
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Does not change in length during contraction
A band
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Crossbridge breaks when this attaches to myosin head
ATP
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Created by hydrolysis of ATP
ADP and Pi
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This is released when an action potential arrives
Calcium Ions
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Calcium ions are released from this
Sarcoplasmic reticulum
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Maintenance of ATP involving mitochondria
Aerobic
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Maintenance of ATP supply that produces lactic acid
Anaerobic
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Phosphate group from this is used to maintain ATP supply
Creatine Phosphate
16 of 16

Other cards in this set

Card 2

Front

Marks the end and beginning of the sarcomere

Back

Z line

Card 3

Front

Thin filament

Back

Preview of the front of card 3

Card 4

Front

Thick filament

Back

Preview of the front of card 4

Card 5

Front

Rod-shaped protein

Back

Preview of the front of card 5
View more cards

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