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Metabolism › View

Increasing the temperature increases the rate of an enzyme-catalyzed reaction. Once a critical temperature is reached, the reaction stops. Why does this happen?

A. The concentration of reactants drop

B. The enzymes have all been consumed in the reation

C. The increase in temperature alters the pH

D. The polypeptide chains in the enzyme denature

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Anatomy and Physiology › View

The human skeleton can be subdivided into two parts, what part is made up of the skull, sternum, vertebral column and rib cage?

A. appendicular

B. axial

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