The following points highlight the seven major ecological levels of organisations. The ecological levels are: 1. Organisms 2. Population 3. Biological Community 4. Ecosystem 5. Landscape 6. Biome 7. Biosphere. Ecological Level # 1. Organisms: They make the basic unit of study in ecology. At each level, the biological unit has a specific structure and […]
Ecological Levels of Organisation | Environment
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Organisation of Chromatin Fibres
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In this article we will discuss about:- 1. Coiled DNA Model 2. Nucleosome-Solenoid Model of Chromatin Fibres. Coiled DNA Model: This model of chromatin structure was proposed by DuPraw in 1965. As per this model, DNA molecule is associated with three classes of proteins: (i) Lysine rich histories: They are common to both A and […]
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