15. Your teacher conducted an oral recitation test. She required you to explain why cells are considered as the basic structural and functional unit of life. How would you response to her? Which of the following statements that follows will support your answer? A. Cells provide support and structure, produce energy and transport substances in and out of the cell. B. Cells provide support and structure and produce energy. C. Cells are the fundamental units of life processes. D. Cells need nourishment to grow.
