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
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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.
Proteins denature when
A) peptide bonds form. B) hydrogen bonds break. C) bonds between carbon and oxygen break. D) peptide bonds break.
The most abundant type of immunoglobulin is
A) IgD. B) IgG. C) IgE. D) IgA.
Carbohydrates are absorbed into the blood stream as
A. disaccharides. B. monosaccharides. C. oligosaccharides. D. polysaccharides. E. glycoproteins.