WJEC Biology Practice Exam

Question: 1 / 400

What is the primary function of mitosis?

To create energy

To produce sex cells

To make new cells for growth and repair

The primary function of mitosis is to make new cells for growth and repair. Mitosis is a process of cell division that results in two genetically identical daughter cells, ensuring that when a cell divides, the new cells maintain the same genetic material as the original cell. This is essential for the growth of tissues, replacement of dead or damaged cells, and overall organism development.

During mitosis, the replicated chromosomes are separated into two new nuclei, and when the cell divides, each daughter cell receives an exact copy of the parent cell’s DNA. This ensures that all cells in an organism can function properly and maintain their specific roles. Mitosis is vital for processes like healing wounds and increasing the size of an organism during growth.

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To eliminate damaged cells

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