Quiz: Role of Calcium Ions in Muscle Contraction
Pearson Edexcel Level 3 Advanced GCE in Biology A (Salters-Nuffield) (9BN0)
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Building on what you've learned about muscles, let's test your understanding of the role of calcium ions in muscle contraction!
What triggers calcium ions to be released from the sarcoplasmic reticulum?
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Which of the following are roles of calcium ions in muscle contraction? (Select all that apply)
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Calcium ions bind to {{blank0}} during muscle contraction, causing {{blank1}} to shift and expose binding sites on actin.
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Match the items on the left with their correct pairs on the right
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If a muscle cell releases 10^4 calcium ions per contraction, how many ions are released after 5 contractions?
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What happens to calcium ions after muscle contraction ends?
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Which proteins are directly involved in muscle contraction? (Select all that apply)
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Match the items on the left with their correct pairs on the right
The energy required for muscle contraction comes from {{blank0}}, which is produced by {{blank1}} in the mitochondria.
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What is the consequence of calcium ions failing to bind to troponin?
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