Bios 251 ap exam 1 - Study guides, Class notes & Summaries
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BIOS 251 Final Exam Latest Update Comprehensive Questions with Excellent Answers Graded A+ (2023-2024)
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BIOS 251 Final Exam Latest Update 
Comprehensive Questions with Excellent 
Answers Graded A+ () 
________ reflects ___________ - Answer -Function; structure 
1. As AP moves along sarcolemma, it travels down T Tubules 
2. Voltage-sensitive proteins in T Tubule change shape → allow calcium channels in sarcoplasmic 
reticulum to open → large amounts of calcium flow into the cytosol 
3. Calcium binds to troponin → removes hold on tropomyosin → exposes myosin binding sites on actin 
filaments...
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