Botany

Guard Cells in Plants

Guard cells appear bean-shaped. They are found in pairs, and a gap between them constitute the stomatal pore or aperture. Therefore, two guard cells enclosing stomatal aperture colloquially form a structure called stomata. Guard cells reside in the layer of the leaf epidermis. Stomatal guard cells perform two functional roles like influx or efflux carbon …

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Diastase Enzyme

Diastase Enzyme was first discovered from the malt infusion. Anselme Payen and Jean Francois Persoz originally pioneered the existence of the diastase enzyme in the year 1833. Malt diastase, amylase etc., are the alternatives names for the diastase. It is used as a substitute for an enzyme (amylase). Malt, barley seeds, plants, milk, saliva etc., …

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Difference Between Plant and Animal Cytokinesis

The difference between plant and animal cytokinesis is mainly due to the following factors like: Mode of cytokinesis Cell abscission Both the plant and the animal cell divides their cytoplasmic contents equally between the two identical daughter cells but through different mechanisms. In a plant cell, the cytoplasmic division occurs via the fusion of phragmoplast …

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Protoplasm

Protoplasm is a term used to indicate the living matter of the cell which includes the cytoplasm and the nucleus. It is a colourless colloidal suspension of lipids and proteins in water. It was put forward in the year 1835 and was primarily considered as the ground substance of the cell. But these days, two …

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Floral Diagram

The floral diagram is a diagrammatical description of the properties like arrangement, position, structure, aestivation, connotation and adnation of the floral components. It was first introduced in the 19th century by the scientist named August Wilhelm Eichler. A floral diagram illustrates the different floral components by the characteristic symbols. It has a circular outline. There …

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Life Cycle of Achyla

The life cycle of Achyla species involves asexual or sexual modes of reproduction. The genus Achyla includes approximately 47 species and belongs to the group of oomycetes or water mould. Few species of Achyla are phytopathogens like Achlya conspicua and Achlya klebsiana. Most of the Achyla species are aquatic, while few grow on damp soil. …

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