Gram Staining – Procedure, Principle, and Results
Gram-staining used to differentiate between Gram-Positive and Gram-Negative Bacteria.
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Rothera’s test – Definition, Principle, Procedure, Result
Acetoacetic acid and acetone react with an alkaline solution of sodium nitroprusside to form a purple-colored complex. This method can detect above 1-5 mg/dl of acetoacetic acid and 10-20 mg/dl of acetone. Beta-hydroxybutyrate is not detected.
Bacillus cereus – Habitat, Morphology, Pathogenicity, Virulence Factors
Domain: Bacteria Phylum: “Firmicutes” Class: Bacilli Order: Bacillales Family: Bacillaceae Genus: Bacillus Species: B. cereus Definition of Bacillus cereus Bacillus cereus is a gram-positive, rod-shaped bacterium that produces toxins leading to foodborne illnesses. It can cause two main types of gastrointestinal disorders: emetic (vomiting) syndrome and diarrheal syndrome. This bacterium is commonly found in soil … Read more
Starch Casein Agar (SCA) – Composition, Principle, Preparation
Starch casein agar can be described as an nutrient-rich medium that is used for the cultivation and growth of the saccharolytic marine bacteria.
Plant Cell vs. Animal Cell – Difference Between Plant and Animal Cell
The fact that they are both cells that are eukaryotic, meaning they have a real nucleus that is enclosed and separate from other organelles through a nuclear membrane is a key element which determines their ways of multiplication. They share the same reproduction process of meiosis and mitosis by using their DNA, which is stored in the cell’s nucleus.
Simple Microscope – Definition, Principle, Parts, Uses
What is Simple Microscope? Definition of Simple Microscope A simple microscope is an optical device consisting of a single convex lens that magnifies objects by enlarging their image through light refraction. Principle of Simple Microscope Working Mechanism of Simple Microscope This ray diagram in below, explains how simple microscopes is working; Magnification of a simple … Read more
HPLC – Principle, Instrumentation, Types, Uses, Diagram
What is HPLC (High-performance liquid chromatography)? Principle of HPLC (High-performance liquid chromatography) Instrumentation of HPLC High-Performance Liquid Chromatography (HPLC) is a sophisticated analytical technique that relies on a precise set of instruments to achieve effective separation, detection, and analysis of chemical compounds. The key components of an HPLC system include the mobile phase reservoir, solvent … Read more
Microvilli – Definition, Structure, Functions and Diagram
Microvilli are tiny, finger-like projections found on the surface of epithelial cells throughout the body, particularly in the small intestine. These structures significantly increase the surface area of the cells, enhancing their ability to absorb nutrients and other substances. The primary functions of microvilli include facilitating nutrient absorption, aiding in the process of fertilization, supporting … Read more
Top 11 Books for Cell Biology
In this article, I will share a list of Top and Best Books for Cell Biology. In this paper on microbiology, you will study about Structure and organization of Cell, Nucleus, Protein Sorting and Transport, Cell Signalling, Cell Cycle, Cell Death and Cell Renewal. Our goal: Find the Best Books for Cell Biology, based on … Read more
7 Best Books on Evolutionary Biology
Evolutionary biology stands as one of the most captivating and illuminating fields of study, unraveling the intricacies of life’s diversity and the remarkable processes that have shaped it. As an interdisciplinary science, evolutionary biology combines genetics, paleontology, ecology, and more to explore the origins and development of species over time. To delve deeper into this … Read more