Improper mitosis can cause uncontrolled cell division, forming tumours. Faulty meiosis can lead to genetic disorders, abnormal chromosome numbers or reproductive problems in organisms.
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Cells have many small mitochondria instead of one large one to increase surface area. More surface area allows faster energy production, efficient reactions and better distribution of energy throughout the cell.
The first stage of cell division is interphase, where the cell prepares for division by growing and duplicating its DNA before entering the active stages of division.
Normal cells grow and divide through cell division. They increase in number, repair tissues and replace dead cells. This process is controlled and essential for growth and maintenance.
Vacuoles store water, nutrients and waste materials in cells. In plant cells, large vacuoles maintain pressure and keep the cell firm, helping plants stay upright.