We have learned that world can be divided into living and non living. And the branch of Science that deals with the study of living organisms is called as Biology. But do you know what makes you and me alive? What makes the spider, lizard, dog and tree etc alive? Or what makes table, rock, […]
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As the name suggest, this technique is used to make replica or copy of the master plate (Primary plate). This technique is originated in Microbiology and now it is also used in Animal Cell Culture techniques. This technique was developed by Joshua and Esther Lederberg in 1952. The application of Replica plating is to reproduce
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What is Bacterial Growth? Bacterial growth is increase in bacterial size and number (population). What factors affect the bacterial growth? The Bacterial growth is affected by the nutritional supply/ availability and physical factors like temperature, pH, humidity and gases (oxygen and carbon dioxide) What is Bacterial Growth Kinetics? It is the sub branch of Microbiology
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pH indicates the concentration of hydrogen ions (H+) of any solution. The Hydrogen ions are protons hence, it is also the measurement of protons in solution. H+ ion concentration is inversely related to pH scale. Low pH means high H+ concentration & high pH means low H+ concentration. The pH scale range from 0 to
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Viruses MCQ – Check your knowledge about Viruses by solving the following Quiz. If you wish to brush your memory we suggest you to read articles on Viruses and Cultivation of Viruses.
Following is a Molecular Biology Quiz which is aimed to strengthen your knowledge on the DNA replication. Before solving the quiz you can also read our article on DNA replication in bacteria and comparison between bacterial and Eukaryotic DNA replication. Try to solve the MCQ and Check your score.
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Yeasts are unicellular prokaryotic organisms. They cannot be seen by naked eyes and hence we need to observe them microscopically. Introduction: Yeasts are unicellular and microscopic fungi. They are commercially used in bread and wine making industries. They multiply asexually by following budding method. The shape and size varies from species to species of yeast
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Determining the Phenol Coefficient of Test Disinfectant Phenol coefficient test is one of the methods used to estimate the disinfecting power of any disinfectant. Introduction to Phenol Coefficient Test: In phenol co-efficient method, we test the efficiency of chemical disinfectants.Disinfectant is an agent that inhibits or kills disease causing microorganisms. Disinfectant can be physical (heat
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Introduction In Microbiology Laboratory, the required material is sterilized either by dry or moist heat, but not every required material can be sterilized with heat. Therefore, the heat sensitive or labile materials are sterilized by membrane filtration method. When heat sensitive materials are exposed to heat, it leads to its denaturation. For example, when Antibiotics
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Introduction to Biosafety Cabinets: Biosafety Cabinets are one of the most interesting safety equipments in a scientific lab. Often a part of sci-fi movies, these Biosafety Cabinets are enclosed workplace which are ventilated and provide protection to the user while handling contaminated or potentially contaminated micro-organisms. BSL Risk Diseases Treatment 1 No Does not cause
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