rikaUnit 4 Lab Assignment (2).docx - Unit 4 Lab Muscle System Assignment Demonstrate Muscle System Lab Estimated time to complete 2 hours Muscle

rikaUnit 4 Lab Assignment (2).docx - Unit 4 Lab Muscle...

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Unit 4 Lab: Muscle System Assignment Demonstrate: Muscle System Lab Estimated time to complete: 2 hours Muscle Contraction 1. The sarcomere is the functional unit of a muscle. Draw a sarcomere and label the following parts. The image must be hand drawn, copied and pasted images will not be accepted. a. M line b. Z disc c. Thick myofilament d. Thin myofilament 2. Fill in the functions of the following terms: a. Troponin – the proteins that control the interaction of actin and myosin in skeletal & cardiac muscle contraction b. Tropomyosin - the proteins that control the interaction of actin and myosin in skeletal & cardiac muscle contraction c. Sarcoplasmic reticulum - the proteins that control the interaction of actin and myosin in skeletal & cardiac muscle contraction d. Transverse tubule - 3. Answer the following questions: a. What protein is the thick myofilament made of? Myosin b. What protein is the thin myofilament made of? actin c. Explain what the neuromuscular junction is. It is the chemical synapse created by
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