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QUESTIONS |
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| (a) | The diagram below shows the arrangement of fibres within a muscle sarcomere |
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| (i) | Name the parts of the muscle sarcomere labelled A, B and C | ||
| A= , B= and C= |
(2) |
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| (ii) | Describe what would happen to the regions labelled D and E when the muscle contracted. | ||
(2) |
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| (iii) | Describe the role of Calcium ions in muscle contraction | ||
(2) |
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| (iv) | Describe the role of ATP in muscle contraction |
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(2) |
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