8. Calcium Channels in Terminal Cisternae

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7 Terms

1
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What two types of calcium proteins are found in terminal cisternae?

  1. Voltage-gated channels, 2. Calcium pumps


2
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What event triggers the opening of terminal cisternae calcium channels?

Voltage change

3
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What ion is released by voltage-gated channels in terminal cisternae?

Calcium

4
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Into what fluid compartment is calcium released from terminal cisternae?

Sarcoplasm

5
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What is the functional role of calcium pumps in terminal cisternae?

Return calcium to storage

6
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From where do calcium pumps remove calcium?

Sarcoplasm

7
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To what storage structure do calcium pumps return calcium?

Sarcoplasmic reticulum