l T-Mobile LTE 5:43 PM 3 of 10 Done 25. When the sancoplasmic rticulom fails so
ID: 3484167 • Letter: L
Question
l T-Mobile LTE 5:43 PM 3 of 10 Done 25. When the sancoplasmic rticulom fails so releaso alicm actoivaned 26. receptors fiction as Ligas ted ionch 24. The absence of ATP would prevent the myosin bead fro detaching from which thin lments? c. Tropon 2s P Al of the Above h. Fascicle 29. Please label the part of the mysdiliamest below (STAR ea lower left) Mascle fiber 30. The consective tissue that surrounds each fascidle is called the Epimysium d. Myelin Sheath a group of tinetts are sound a Naclous b Within one Aien flamet d ATPExplanation / Answer
ANS 25) When the sarcoplasmic reticulum fails to release calcium:
The correct answer is option: A) Tropomyosin does not undergo a conformational change.
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ANS 26) The length of sarcomere:
The correct answer is option: B) I and II
Actin molecules are bound to the Z line, which forms the borders of the sarcomere. Other bands appear when the sarcomere is relaxed.
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ANS 27) Acetylcholine receptors function as ligand gated ion channels:
The correct answer is: b) TRUE
Because ligand gated channels open in response to a ligand that is some chemical signal binding to them and acetylcholine receptor is an integral membrane protein that responds to the binding of acetylcholine, a neurotransmitter.
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ANS 28) The absence of ATP would prevent myosin head from detaching from which thin filaments:
The correct answer is option d) All of the above
Thin filaments are Actin, Tropomyosin, Troponin, Active sites
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ANS 30) The connective tissue that surrounds each fascicle is called the:
The correct answer is c) Perimysium
As, the perimysium encircles a group of muscle fibers, forming a fascicle. The epimysium encircles all the fascicles to form a complete muscle.
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ANS 31) A group of myofilaments are found in:
The correct answer is: c) A muscle
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