Answer:-
The function of a specialized cell is determined by the specific genes that are activated within it. While all cells in the body contain the same DNA, only certain genes are switched on in each cell type, guiding the cell to develop specific structures and perform unique tasks. For example, nerve cells are specialized to transmit signals, while muscle cells contract to produce movement. This process, known as cell differentiation, is influenced by both genetic instructions and external signals like hormones or environmental cues. The shape, organelles, and proteins present in a cell also support its specialized function.
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