Mitosis

MITOSIS

Mitosis is a type of cell division that produces two genetically identical daughter cells with the same number of chromosomes as the parent cell. 

The stages of mitosis:

INTERPHASE --> PROPHASE --> METAPHASE --> TELOPHASE --> ANAPHASE

Interphase:

This is the longest stage of the cell cycle. During this stage, the cell grows and its DNA replicates. Also, its organelles replicate, and proteins, such as histones and enzymes, are produced, requiring ATP. During this stage, the chromosomes are not distinguishable under a microscope as the chromatin is dispersed throughout the nucleus. 

Prophase:

During prophase, the chromosomes condense to form distinguishable pairs of chromatids attached at a centromere. The centrioles also move to the opposite poles of the cell where they form the microtubules that synthesise the spindle. Towards the end of prophase, the nuclear envelope breaks down and the muscle fibres contract. 

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