Order the following 6 steps of a muscle contraction in the proper sequence from start to finish (1-6)? Question 107 options: 123456 ATP binding 123456 Power stroke 123456 Weak cross-bridge attachment 123456 ATP hydrolysis 123456 ADP release 123456 Release of phosphate from myosin Question 106 options: Powerlifting Soccer High Jump Basketball 100m sprint Shot Put
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Rank the following in order for cross bridge events: 1. Powerstroke 2. ATP binds to myosin head 3. ADP and Pi released 4. Hydrolysis of ATP 5. Movement of myosin head into constrained position 6. Myosin head attaches to actin binding sites Submit
Sri K.
Put the following in order from the first to the last step of skeletal muscle contraction: Motor neurons innervate the muscle cell. Calcium binds to troponin. ATP binds to myosin. ATP on myosin is hydrolyzed to ADP plus Pi. Tropomyosin is moved from the actin binding site. The power stroke occurs.
The following is a list of events that occur during a muscle contraction. Place them in order: 1. Calcium ions are released from the sarcoplasmic reticulum. 2. Calcium ions bind to troponin on the thin filaments. 3. Binding sites on the actin become available and myosin creates a cross-bridge. 4. The myosin head breaks down ATP and returns to the cocked position. 5. A molecule of ATP binds to the myosin head, breaking the crossbridge and detaching myosin from actin. 6. The myosin head pivots toward the center of the sarcomere, pulling the thin filament.
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