Question
In sarcomeres, phosphate-group transfers from ATP activate _________.a. actinb. myosinc. troponind. Z bands
Step 1
Sarcomeres are the repeating units of myofibrils, which are made up of overlapping filaments of actin and myosin. Show more…
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8. In sarcomeres, phosphate-group transfers from ATP activate ____________ . a. actin b. myosin c. troponin d. $Z$ bands
In sarcomeres, phosphate-group transfers from ATP activate ___________. a. actin b. myosin c. both d. neither
The source of energy for muscle contraction is a. actin. c. sarcomeres. b. myosin. d. ATP.
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Muscles Contract Because Their Myofilaments Shorten
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