In this article we will discuss about the ultrastructure of eukaryotic algal cell with the help of suitable diagrams. Cell Wall: The cell is bounded by a thin, cellulose cell wall. Cellulose layer is finely striated with parallel cellulose fibrils (Fig. 1). In many species there is a pectose layer external to it which dissolves […]
Ultrastructure of Eukaryotic Algal Cell (With Diagram)
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Classification of Algae: 6 Criterions
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The following points highlight the six main criterions on which modern concepts of classification of algae is based. The criterions are: 1. Nuclear Organization 2. Nature of Cell Wall Components 3. Pigmentation and Photosynthetic Apparatus 4. Nature of Reserve Food 5. Flagellation 6. Type of Life Cycle and Reproduction. Criteria # 1. Nuclear Organization: On […]
Fungi: Meaning and Classification | Eukaryotic Organism
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In this article we will discuss about the meaning and classification of fungi. Meaning of Fungi: The organisms of this group have eukaryotic, non-chlorophylloUs cells having an absorptive mode of food-intake and a chemoorganotrophic mode of nutrition. Cells are generally invested within a cell wall composed of glucan, mannan or chitin. Some lower forms have […]
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