The major function of the sarcoplasmic reticulum in muscle contraction is to ________.

A) make and store phosphocreatine
B) synthesize actin and myosin myofilaments
C) provide a source of myosin for the contraction process
D) regulate intracellular calcium concentration


D) regulate intracellular calcium concentration

Anatomy & Physiology

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A sickle-shaped vertical partition that divides the left and right cerebellar hemispheres is the

A. diaphragma sellae. B. superior sagittal sinus. C. falx cerebri. D. falx cerebelli. E. tentorium cerebelli.

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Proteins denature when

A) peptide bonds form. B) hydrogen bonds break. C) bonds between carbon and oxygen break. D) peptide bonds break.

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The most abundant type of immunoglobulin is

A) IgD. B) IgG. C) IgE. D) IgA.

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Carbohydrates are absorbed into the blood stream as

A. disaccharides. B. monosaccharides. C. oligosaccharides. D. polysaccharides. E. glycoproteins.

Anatomy & Physiology