Sagar Aryal, PhD 
Image Source: Daniela Beckmann Some of the characteristics are as follows: Basic Characteristics Properties (Aeromonas caviae) Catalase Positive (+ve) Citrate Positive (+ve) Flagella Variable (+/-) Gas Negative (-ve) Gelatin Hydrolysis … Read more
Centrioles Definition Eukaryotic cells contain two cylindrical, rod-shaped, microtubular structures, called centrioles, near the nucleus. They lack a limiting membrane and DNA or RNA and occur in most algal cells … Read more
Image: Granuloma inguinale (donovanosis) in a conventional Pap test. A: Granulomatous inflammation is shown with epithelioid histiocytes and lymphocytes. B: The organisms (Donovan bodies) can be seen in thin-walled intracytoplasmic … Read more
Here are some of the electron microscopy images (Scanning Electron Micrograph and Transmission Electron Micrograph) of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) that causes Coronavirus Disease 2019 (COVID-19). More … Read more
Image Source: WIKIPEDIA Some of the characteristics are as follows: Basic Characteristics Properties (Alcaligenes faecalis subsp. faecalis) Bromocresol purple milk Alkaline reaction Capsule Negative (-ve) Catalase Positive (+ve) Citrate Positive (+ve) … Read more
The right-handed double-helical Watson – Crick Model for B-form DNA is the most commonly known DNA structure. In addition to this classic structure, several other forms of DNA have been … Read more
Some of the characteristics are as follows: Basic Characteristics Properties (Clostridium tetani) Capsule Negative (-ve) Catalase Negative (-ve) Flagella Peritrichous Gas Positive (+ve) Gelatin Hydrolysis Positive (+ve) Gram Staining Gram-stain-positive, … Read more
Some of the characteristics are: Basic Characteristics Properties (Chlamydia trachomatis) Organism Type Obligate intracellular organism that parasitize and multiply in the cytoplasm of eukaryotic cells within membrane bound vacuoles, termed … Read more
Through normal everyday activities, the human body is exposed to microorganisms in the environment. Hundreds of species and countless individual microbial cells, collectively called the normal microflora, grow on or … Read more
Some of the characteristics are as follows: Basic Characteristics Properties (Enterococcus faecium) 40% Bile Salts Positive (+ve) Capsule Negative (-ve) Catalase Negative (-ve) Citrate Negative (-ve) Gelatin Hydrolysis Negative (-ve) … Read more
