In this article we will discuss about the Nucleus of Controlling Centre of Cell. The protoplast of eukaryotic cell contains prominent spherical or subspherical body called the nucleus (Pl.—nuclei) which controls all the life activities. As a rule, there is only one nucleus in one cell, but there are certain exceptions to this general rule. […]
Nucleus of the Controlling Centre of Cell (With Diagram)
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4 Major Phases of the Cell Cycle (With Diagram)
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The following points highlight the four major phases of the cell cycle. The phases are: 1. G1 (gap1) phase 2. S (synthesis) phase 3. G2 (gap 2) phase 4. M (mitosis) phase. Cell Cycle: Phase # 1. G1 Phase: The G1 phase is set in immediately after the cell division. It is characterised by a […]
5 Main Classes of Chemical Compounds in Chromatin
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The following points highlight the five main classes of chemical compounds in chromatin. The classes are: 1. Nucleic acids 2. Basic proteins or histones (protamines in sperm nuclei of some fishes and birds) 3. Acidic proteins (Non-Histones) 4. Lipoproteins 5. Associated inorganic molecules. Chemical Compounds in Chromatin: Class # 1. Nucleic Acids: The nucleic acids […]
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