The phenomenon of rigor mortis demonstrates that myosin can remain bound to actin in the absence of additional ATP, but the bond cannot then be broken.

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Quizplus · Accepted Answer

This is true, as rigor mortis occurs after death when the body's muscles no longer have ATP to provide energy for muscle contraction. This causes myosin to remain bound to actin, leading to stiffness in the body's muscles. The bond cannot be broken without the presence of additional ATP.

The Phenomenon of Rigor Mortis Demonstrates That Myosin Can Remain