Author name: Sudan Pokhrel

Bird Seed Agar- Composition, Principle, Preparation, Results, Uses, Limitations

Bird Seed Agar- Composition, Principle, Preparation, Results, Uses, Limitations

Biology /

Bird Seed Agar (BSA) is a specific growth medium used to selectively cultivate and differentiate Cryptococcus neoformans, a pathogenic yeast. The medium’s unique feature is its capacity to stimulate the development of melanin in Cryptococcus neoformans, resulting in striking brown to black colored colonies. What is Bird Seed Agar? Bird Seed Agar (BSA) is a […]

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Biotic Factors: Types, Examples, Factors Affecting

Biology /

Biotic factors are biological components of an ecosystem that affect its structure and function. They encompass all species, their interactions, and waste products. Biotic factors are the living components of an ecosystem, which include all species and their interactions. They have an important role in determining ecosystem structure, function, and dynamics. Understanding biotic variables is

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Bioremediation Factors, Types, Advantages, Disadvantages

Bioremediation: Factors, Types, Advantages, Disadvantages

Biology /

Bioremediation is a process in which microbes, plants, or other biological systems detoxify or eliminate toxins from the environment. This approach is commonly used to remove contaminated soil, water, and air. It is a method that uses biological agents, primarily microorganisms like bacteria, fungi, and plants, to breakdown, detoxify, or eliminate pollutants and toxins from

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Biology of the B Lymphocyte

Biology of the B Lymphocyte

Biology /

B lymphocytes, or B cells, are essential components of the adaptive immune system. Their principal role is to produce antibodies, which are necessary for identifying and neutralizing invaders like bacteria and viruses. B cells also contribute to antigen presentation and the activation of other immune cells. What is Biology of the B Lymphocyte ? Understanding

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Biological Safety Cabinets (BSCs)- Classes with Examples

Biology /

Biological Safety Cabinets (BSCs) are critical for ensuring a safe laboratory environment while working with biological agents. They are categorized into three categories: Class I, Class II, and Class III. Each class offers varying degrees of protection for persons, products, and the environment. What is Biological Safety Cabinets (BSCs) ? A Biological Safety Cabinet (BSC)

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Biochemical Test of Streptococcus pneumoniae

Biochemical Test of Streptococcus pneumoniae

Biology /

Biochemical tests for Streptococcus pneumoniae are laboratory procedures developed to analyze certain biochemical features of this bacterium, assisting in its identification and distinction from other microbes. What is Streptococcus pneumoniae? This often known as pneumococcus, is a Gram-positive bacterium commonly seen in the upper respiratory tract of humans. It is a major human pathogen responsible

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Beer-Lambert Law- Definition, Derivation, and Limitations

Biology /

Beer-Lambert Law, often known as Beer’s Law, is an important principle in spectroscopy, particularly absorption spectroscopy. It describes the relationship between a substance’s concentration in a solution and its ability to absorb light. What is Beer-Lambert Law? Beer-Lambert Law, commonly known as Beer’s Law, is a key principle in spectroscopy, especially absorption spectroscopy. It describes

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Biochemical Test of Providencia stuartii

Biochemical Test of Providencia stuartii

Biology /

Providencia stuartii is a Gram-negative rod-shaped bacterium from the Enterobacteriaceae family. It is an opportunistic pathogen that causes urinary tract infections, especially in hospitalized patients and those who have long-term indwelling urinary catheters. What is Providencia stuartii ? Providencia stuartii is a Gram-negative rod-shaped bacterium from the Enterobacteriaceae family. It is classified as an opportunistic

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