The following points highlight the two main steps of mitosis. The steps are: 1. Karyokinesis 2. Cytokinesis. Step # 1. Karyokinesis: Karyokinesis (Gk. karyon- nucleus, kinesis- movement) is also called indirect nuclear division because the nucleus passes through a complicated sequence of events before forming two daughter nuclei. Though the process is continuous one without […]
2 Main Steps of Mitosis | Cell Division
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Phases of Mitosis | Cell Division
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The following points highlight the four important phases of mitosis. The phases are: 1. Prophase 2. Metaphase 3. Anaphase 4. Telophase. Mitosis: Phase # 1. Prophase: During prophase, the individual chromosome appears in double threaded structure composed of two chromatids from the beginning. During this phase, the volume of the chromosomes too increases considerably and […]
Mitosis (With Diagram) | Cell Cycle
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A proteinaceous factor termed as maturation promoting factor (MPF), subsequently renamed as mitosis promoting factor, is identified and purified (Masui, Markert, Mailer). MPF is a heterodimer complex between kinase – a catalytic sub- unit and cyclin – a regulatory subunit (Fig. 5.27A). Kinase enzyme brings about phosphorylation of specific target proteins at different stages of […]
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