Sourav Bio 
What is gene expression? Gene expression definition Advertisements Gene expression is the process by which the genetic information encoded in a gene is used to produce a functional product, typically a protein or a specific RNA molecule. Stages in Gene Expression 1. Transcription 2. Translation What is gene expression profiling? Methods or Steps of gene … Read more
What is Acid Fast Stain? Objective of Acid Fast Stain Principle of Acid Fast Stain Advertisements The principle of the Acid Fast Stain revolves around the unique characteristics of certain bacterial cells, particularly their resistance to conventional staining methods due to the presence of mycolic acid in their outer membrane. This expository explanation aims to … Read more
What is Candida albicans? Kingdom: Fungi Division: Ascomycota Class: Saccharomycetes Order: Saccharomycetales Family: Saccharomycetaceae Genus: Candida Species: C. albicans Habitat of Candida albicans Advertisements Candida albicans is a form of yeast commonly found as part of the human body’s normal microbial flora. It is known to inhabit various body segments, particularly mucous membranes and moist regions. Here … Read more
What is Candida albicans? Advertisements Candida albicans is a yeast that is typically found as a natural inhabitant within the human body, specifically in the gut flora. Besides being present in the gastrointestinal tract, it is also commonly detected in the mouth of 40–60% of healthy adults. In most situations, C. albicans remains a harmless … Read more
What is a Cell Wall? Cell Wall Definition Advertisements A cell wall is a rigid and protective outer layer found in plants, fungi, bacteria, and some protists, providing structural support and protection to the cell. Properties of Cell Wall The cell wall is a crucial component of many organisms, including plants, fungi, algae, and certain … Read more
What are Antiviral Drugs? Advertisements Antiviral drugs represent a category of therapeutic agents specifically designed to counteract viral infections. Viruses, which are obligate intracellular parasites, are a predominant cause of morbidity and mortality in humans, animals, and plants. Their pathogenicity ranges from self-limiting conditions to severe, life-threatening diseases. Unlike other microorganisms, viruses are devoid of … Read more
What is Codon? What is a Codon Chart? Advertisements A Codon Chart, often referred to as a codon table, is an essential scientific reference tool that provides a systematic representation of the relationship between sequences of three nucleotides, known as codons, and the amino acids they encode. This chart serves as a key to decode … Read more
What are Macronutrients? Advertisements The human organism is a complex system that relies on specific nutritional elements to ensure its proper functioning, growth, and maintenance. Within the realm of nutrition, there are two primary categories of nutrients that the body necessitates: macronutrients and micronutrients. This discourse will focus on the former, elucidating its significance, types, … Read more
What is Archaea? Examples of Archaea What is Bacteria? Examples of Bacteria Archaea vs Bacteria – Differences Between Archaea and Bacteria Advertisements Bacteria and Archaea, both belonging to the prokaryotic realm, are single-celled microorganisms that lack a defined nucleus and other membrane-bound organelles. Despite these similarities, they exhibit distinct characteristics that set them apart in … Read more
What is Archaea? Definition of Archaea Advertisements Archaea are a domain of single-celled prokaryotic organisms distinct from bacteria, characterized by unique genetic, metabolic, and cellular features, and often found in extreme environments. Habitat of Archaea Archaea, once believed to be confined solely to extreme environments, have been discovered to be omnipresent across diverse habitats, thanks … Read more
Advertisements The Difference between a template and a coding strand is primarily based on two characteristics: directional polarity and function. The two distinct strands of double-stranded DNA are the template strand and the coding strand, with the former functioning as a base to transcribe mRNA and the latter determining the correct base sequence of the … Read more
What is Spot Indole Test? Definition of Spot Indole Test Advertisements The Spot Indole Test is a rapid biochemical method used to detect the production of indole by bacteria, indicating their ability to metabolize the amino acid tryptophan. This test aids in differentiating specific bacterial species based on their tryptophan degradation capabilities. Objectives of Spot Indole … Read more
What is Satellitism Test? Definition of Satellitism Test Advertisements The Satellitism Test is a biochemical assay used to differentiate Haemophilus influenzae from other Haemophilus species based on their growth factor requirements. In this test, H. influenzae grows proximally to Staphylococcus aureus colonies on blood agar due to the latter’s production of necessary growth factors, a … Read more
What is Pyramid of Number? Advertisements The Pyramid of Numbers is a graphical representation used in ecology to illustrate the distribution of various species in different trophic levels of a food chain. This pyramid provides a quantitative analysis, showing the number of individual organisms present at each trophic level. Unlike other ecological pyramids which might … Read more
What is Ecological Succession? Ecological Succession Definition Advertisements Ecological succession is the systematic and predictable process by which species composition in an ecosystem changes over time, progressing from initial colonization to a mature and stable community. Characteristics of Ecological Succession Ecological succession is a fundamental concept in the realm of ecology, delineating the sequential transformation … Read more
What is Color Spectrophotometer? Advertisements A color spectrophotometer is a scientific instrument designed to measure and analyze the color properties of various samples. By shining light onto a sample and measuring the intensity of the reflected light across different wavelengths, it provides a detailed profile of the sample’s color. This tool is essential in industries … Read more
What is Atomic Absorption Spectrophotometer? Definition of Atomic Absorption Spectrophotometer Advertisements The Atomic Absorption Spectrophotometer (AAS) is a scientific instrument used to quantitatively determine the presence and concentration of specific chemical elements in a sample by measuring the absorbed wavelengths of light by free metallic ions in their gaseous state. Principle of Atomic Absorption Spectrophotometer … Read more
What is a Spectrometer? Types of Spectrometers Advertisements Spectrometers, pivotal instruments in the realm of scientific research, are designed to detect and analyze various properties of substances. These devices are categorized based on their specific functionalities and the type of measurements they are engineered to perform. Herein, we delve into the primary types of spectrometers … Read more
What is Nanodrop Spectrophotometer? Advertisements A NanoDrop spectrophotometer is a specialized instrument used in laboratories to measure the concentration and purity of nucleic acids, proteins, and other small-volume samples. Here’s a brief overview: Principle of Nanodrop Spectrophotometer The NanoDrop Spectrophotometer is a widely used instrument in laboratories for the quantification and quality assessment of nucleic … Read more
What is Spectrophotometer Cuvette? Advertisements A spectrophotometer cuvette is a small, usually rectangular container used to hold liquid samples in a spectrophotometer. Spectrophotometers are instruments that measure the amount of light absorbed by a sample as a function of wavelength. The cuvette is an essential component of these instruments because it holds the sample in … Read more
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