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Author Question: When a skeletal muscle cell contracts and the muscle shortens, (Read 47 times)

Caiter2013

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on: Apr 11, 2021

Question 1

The tension generated in a skeletal muscle fiber is directly proportional to the number of
◦ nebulin and titin molecules present.
◦ high-force crossbridges formed.
◦ active sarcomeres.
◦ thick and thin filaments present.
◦ low-force crossbridges formed.

Question 2

When a skeletal muscle cell contracts and the muscle shortens,
◦ myosin heads generate a single power stroke.
◦ the actin ATPase allows the actin molecule to swivel.
◦ the position of an actin molecule relative to a myosin molecule does not change.
◦ the actin molecule swivels during the power stroke.
◦ some myosin heads are forming crossbridges as others are releasing them.
Human Physiology: An Integrated Approach ¦ Silverthorn ¦ 8th Edition
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Marked as best answer by Caiter2013 on Apr 11, 2021

pangili4

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Reply #1 on: Apr 11, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Caiter2013

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Reply 2 on: Apr 11, 2021
Gracias!

Sarahjh

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Reply 3 on: Yesterday
Excellent

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