Cell composition is the structure of a cell, which is the basic unit of life. It is composed of various components, such as proteins, lipids, carbohydrates, and nucleic acids. These components are organized into organelles, which are specialized structures that perform specific functions within the cell. The cell membrane is a barrier that separates the cell from its environment and regulates the movement of substances in and out of the cell. The nucleus is the control center of the cell, containing genetic material that directs the activities of the cell. The cytoplasm is the gel-like substance that fills the cell and contains the organelles. Together, these components form the cell composition, which is essential for the functioning of the cell.