Answer:
Actin filaments return to their original positions (does not occur in muscle contraction, according to the sliding filament model).
Explanation:
Matter can be classified according to physical and chemical properties. Scientists can observe physical properties without changing the composition of the substance, whereas chemical properties describe the tendency of a substance to undergo chemical changes (chemical reactions) that change its chemical composition.
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A<span> fuel (sugar from food) <span>and oxygen with which to burn the fuel. One then also needs a mean of removing the waste products produced by burning the fuel.</span>
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Answer:
a change in pH diminishes the effectiveness ò the enzyme