Muscles

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What are the two proteins that make up muscle filaments?
Actin and Myosin
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What is tetanus?
The muscles are fully contracted and go into paralysis
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Where are calcium ions stored in muscle cells?
Sarcoplasmic reticulum
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What causes calcium ions to be released?
Nerve impulse or action potential
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What protein do calcium ions bind to?
Troponin
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What happens when calcium ions bind to troponin?
Cause the tropomyosin to move away from the binding site
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What happens when ATP binds to myosin?
The myosin head is released from the actin
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What is the enzyme needed to release energy from ATP?
ATPase
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What does myogenic mean?
Muscle contracts without a nerve impulse
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What are the differences between cardiac muscle and striated muscle?
Cardiac is myogenic, do not tire easily and the cells are branched
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Other cards in this set

Card 2

Front

What is tetanus?

Back

The muscles are fully contracted and go into paralysis

Card 3

Front

Where are calcium ions stored in muscle cells?

Back

Preview of the front of card 3

Card 4

Front

What causes calcium ions to be released?

Back

Preview of the front of card 4

Card 5

Front

What protein do calcium ions bind to?

Back

Preview of the front of card 5
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