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
8 of 10
What does myogenic mean?
Muscle contracts without a nerve impulse
9 of 10
What are the differences between cardiac muscle and striated muscle?
Cardiac is myogenic, do not tire easily and the cells are branched
10 of 10

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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