What would be the result if the administration of a drug sequesters all the ATP in a cell?

A. Calcium will remain in the cytosol, continuously stimulating cross-bridge cycling.
B. Repeated, high-frequency action potentials will be fired at a skeletal muscle fiber causing sustained contraction.
C. Calcium-activated proteases degrade all proteins in skeletal muscle fibers, making muscles limp.
D. All cross-bridges will remain tightly bound to actin.
E. A build-up of K+ in T-tubules will cause constant, tetanic contractions of skeletal muscles.


Answer: D

Anatomy & Physiology

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