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Cell differentiation is how cells become specialized. This occurs through a process called gene expression. Gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a cell functions.
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Peristalsis is involuntary constriction and relaxation of the intestine or another canal, it’s causes wave-like movements that push the contents of the canal forward.
Answer: The glucose molecules serve as fuel for cells: their chemical energy can be harvested through processes like cellular respiration and fermentation, which generate adenosine triphosphate— ATPstart text, A, T, P, end text, a small, energy-carrying molecule—for the cell's immediate energy needs. Fixed carbon.
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