Scanning electron microscope (SEM): Structure and description
Introduction A microscope is used to see objects that are not visible to the naked eye. The electron microscope is a breakthrough invention in microbiology. […]
Microbiology
Gram-positive and Gram-negative bacteria: Difference
Introduction Microorganisms are categorized under bacteria, viruses, fungi, and mycoplasma. Some of the microorganisms are disease-causing some are saprophytes or some are heterotopic in nature. […]
Are viruses living or not? Origin and properties
Are viruses living or not? is a very question to understand. Virus has attributes of both living organisms and nonliving objects. Thus it can be […]
Virus difference: animal, plant, & bacteriophage
Difference between animal, plant virus, and bacteriophage Viruses are very small even smaller than bacteria and are mainly parasitic in nature. Depending upon the host, […]
Structure of a virus: types, classification and reproduction
Structure of a virus, classification, and reproduction There is no nomenclature system for virus classification since they are not considered truly living. As we all […]
Virus definition in biology. Types and structure of viruses
Virus definition In Latin, the word virus means poisonous or venomous fluid coined by Dmitri Ivanowsky (1892). He recognized certain microbes causing mosaic diseases of […]