BMS 250 Unit 4 quiz Ch. 10, 11

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Check all that are proteins of thin filaments. Myosin Actin Troponin Titin (connectin) Tropomyosin

Actin, troponin, tropomyosin

Check all that are a function of skeletal muscle tissue. Metabolic regulation Body movement Maintenance of posture Heat production Regulating elimination of materials Protection and support

Body movement, maintenance of posture, heat production, regulating elimination of materials, protection and support

Select all that are true regarding a resting muscle fiber. The charge difference across the sarcolemma is zero. There is more sodium outside the cell as compared to the sarcoplasm. Chemically gated ion channels are open. Voltage-gated ion channels are closed.

There is more sodium outside the cell as compared to the sarcoplasm, voltage-gated ion channels are closed


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