Biology

The correct answer is A.Exocytosis.

Exocytosis is the process by which cells expel waste products or other materials from within the cell to the outside. It involves the fusion of a vesicle containing the waste with the plasma membrane, releasing the contents outside the cell. This process requires energy (ATP).

Breakdown of the other options:

B.Endocytosis: This process is used to bring substances into the cell, not to expel waste. The cell engulfs materials to form vesicles, which are then transported inside the cell.

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