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MDCAT - Practice Test - Biology - Support and Movement Quiz

Attempt 10 MCQs on MDCAT - Practice Test - Biology - Support and Movement | Quiz 6

51. What theory explains muscle contraction?



52. Where do calcium ions bind to initiate contraction?



53. What happens when Ca²⁺ binds to troponin?



54. What are the two main roles of ATP in muscle contraction?



55. What cycle repeats during contraction?



56. What connects electrical excitation to mechanical contraction?



57. Which protein on the T-tubule senses voltage change?



58. What process ends contraction?



59. Which type of contraction occurs when a muscle develops tension but does not shorten?



60. Which contraction occurs when a muscle lengthens while under tension?



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