How would a calcium deficiency affect the process of skeletal muscle contraction?
A) Skeletal muscles would not be able to utilize ATP as a source of fuel.
B) The action potential would be blocked from entering the muscle fiber.
C) The myosin heads would remain attached to actin molecules.
D) Myosin heads would not bind to actin efficiently.
D
Biology & Microbiology
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Cellular membranes are mosaic and
A. fluid. B. rigid. C. symmetrical. D. highly permeable to large molecules. E. polar.
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Modern humans are
A. hominoids. B. primates. C. anthropoids. D. hominids. E. All of the choices apply to humans.
Biology & Microbiology
There are no cells with cell walls in the Kingdom
A. Protista. B. Archaea. C. Animalia. D. Fungi.
Biology & Microbiology
Small, hydrophobic molecules pass through a cell membrane most easily by diffusion
Indicate whether the statement is true or false
Biology & Microbiology