Tissues of the Human Body

Tissues of the Human Body

Tissues of the Human Body Introduction A tissue is a group of cells having a common embryonic origin that functions together to carry out specialized activities. Tissues may be hard …

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Forms of Intracellular Signaling

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Forms of Intracellular Signaling Introduction Cell signaling is part of any communication process that governs the basic activities of cells and coordinates cell actions. It is the ability of cells …

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Types of Receptors

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Types of Receptors Definition Receptors are chemical signal-receiving protein molecules found inside or on the surface of the target cell. Signaling cells send out chemical signals in the form of …

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Types of Cell Junctions

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Introduction Cell junctions are also called as intercellular bridge. Cell junctions are contact points between the plasma membranes of tissue cells. Cell junctions consist of multi-protein complexes that provide contact …

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Feedback Mechanism- Definition and Types

feedback mechanism

Definition A feedback mechanism is a cycle of events in which the status of a body condition is monitored, evaluated, changed, re-monitored, re-evaluated, and so on. Each monitored variable, such …

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Scanning Electron Microscope

Diagram of SEM

Scanning Electron Microscope (SEM): The Scanning Electron Microscope was developed by professor Dr. Charles Oatlev in the 1950s. Scanning Electron Microscope is useful for studying surface structures of thick specimens. …

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Cellotape Method for Fungus Observation

Morphology of fungi

Cellotape Method for Fungus Observation Aim: Examination of Fungi by cellotape method. Introduction: Fungi are eukaryotic, heterotopic organisms with true nuclei. Fungi are also known as mushrooms. They are nonvascular …

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Agarose Gel Electrophoresis

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Agarose Gel Electrophoresis INTRODUCTION For the majority of DNA samples, electrophoretic separation is carried out in agarose gels. This is because most of the DNA molecules/fragments which are routinely analyzed …

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Hanging Drop Technique

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Aim: To perform a motility test of a bacteria by hanging drop technique. Introduction: The hanging drop technique is a wet mount preparation used to observe the motility of bacteria. …

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Hypnotics and Sedatives

Hypnotics and Sedatives

Hypnotics and Sedatives Sleep is a naturally occurring phenomenon. Though there are controversies regarding why, how, and what about sleep but the necessity of adequate sleep is universally accepted. Sleep …

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Giemsa staining

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Giemsa staining Aim: To study nuclear material Staining. Introduction: Bacteria are prokaryotic which possess nuclear material and circular DNA. In the case of Eukaryotic, genetic material is membrane-bound. The nucleus …

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Guar gum

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Synonyms: Guar flour, Jaguar gum Biological Source: Guar gum is the powder of endosperm of seeds of Cyamopsis tetragonolobus Linn. belonging to family Leguminosae. Geographical Source: The plants are cultivated …

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