Online Microbiology and Biology Notes
What are the Romanowsky Stains? Romanowsky Stains are the stains that are used in hematology and cytological studies, to differentiate cells in microscopic examinations of blood and bone marrow samples. These stains are also applied to detect the presence of parasites in the blood such as malaria parasites. There are various Romanowsky staining types that … Read more Romanowsky Stains- Principle, Types, Applications
Asexual Reproduction Definition Asexual reproduction is a mode of reproduction that occurs without the fusion of gametes and doesn’t involve the exchange of genetic information, resulting in offsprings identical to their parents. Asexual reproduction in living beings is characterized by the absence of male and female gametes and the lack of change in the number … Read more 16 Differences Between Asexual and Sexual Reproduction
What is Periodic Acid-Schiff (PAS) Staining? Periodic-Acid Schiff (PAS) staining technique is used in histochemistry and histological studies to demonstrate the presence of carbohydrates and carbohydrate compounds such as polysaccharides, mucin, glycogen, and fungal cell wall components. It has been used to detect glycogen in tissues such as the skeletal muscles, the liver, the cardiac … Read more Periodic Acid-Schiff (PAS) Staining
Independent Variables The Independent variable is a type of variable used in experimental sciences, statistical modeling, and mathematical modeling which doesn’t depend on any other variables in the scope of the experiment. An independent variable can be manipulated in an experiment, which in turn affects the changes in the dependent variables. Mostly in mathematical equations, … Read more 10 Differences Between Independent and Dependent variables
What is the Negative staining of Viruses? Staining techniques are designed to show contrast under microscopic observation. The staining of viruses is done to increase the contrast between the virus and the background. The use of an electron microscope intensifies the density of electron toward the stain. Negative staining is one of the most excellent … Read more Negative staining of Viruses
Figure: Differences Between Xylem and Phloem (Xylem vs Phloem). Image Source 1: Bioninja, Image Source 2: Bioninja. Xylem Definition Xylem is a vascular tissue that transports water and dissolved minerals absorbed from the roots to the rest of the plant. The term xylem is derived from the Greek word ‘xylon’ which means wood as the … Read more 18 Differences Between Xylem and Phloem (Xylem vs Phloem)
What is silver staining? Silver staining is a special yet powerful staining technique that is used for the detection and identification of proteins in gels. This is because silver binds to the chemical terminal or side chains of amino groups i.e carboxyl and sulfhydryl groups. It has been used for decades now to separate proteins … Read more Silver Staining- Principle, Procedure, Applications
Voluntary muscles definition Voluntary muscles are the muscles that can be moved by the free will of the person and are almost always associated with the skeleton system. These muscles are attached to the bones by means of tendons, and they are responsible for all kinds of movements in vertebrates. Voluntary muscles account for about … Read more 16 Differences Between Voluntary and Involuntary Muscles
What is Collagen Hybridizing Peptide Staining? Collagen is the major building block of all tissues including tendon, ligament, cornea, cartilage, and bone It is a fibrous, structural protein that made up of a right-handed bundle of three parallel, left-handed polyproline II-type helices. Collagen can undergo extensive proteolytic remodeling during development causing collagen degradation leading to a … Read more Collagen Hybridizing Peptide Staining
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