Sourav Pan
CSIR NET, or the Council of Scientific and Industrial Research National Eligibility Test, is a national-level exam conducted in India to determine eligibility for lecturership and for awarding Junior Research Fellowship (JRF) to Indian nationals in the field of science. The exam is conducted in five subjects, including Life Sciences, Physical Sciences, Chemical Sciences, Mathematical … Read more
What is a Zygote? A zygote is a crucial concept in biology, representing the very first stage of a new organism’s development following the fertilization event. The term “zygote” (pronounced /ˈzaɪˌɡoʊt/) originates from the Ancient Greek word ζυγωτός (zygōtós), meaning ‘joined’ or ‘yoked,’ derived from ζυγοῦν (zygoun), which means ‘to join’ or ‘to yoke’. This … Read more
What is Microbiology? Microbiology, derived from the Greek words μῑκρός (mīkros) meaning ‘small’, βίος (bíos) meaning ‘life’, and -λογία (-logía) meaning ‘study of’, is the scientific discipline focused on the study of microorganisms. These microorganisms can be unicellular (single-celled), multicellular (comprising multiple cells), or acellular (lacking cellular structure). The field encompasses several sub-disciplines, including virology, … Read more
What is Rolling circle replication? Rolling circle replication is a unidirectional and asymmetric process of nucleic acid replication. It is the process by which multiple copies of circular DNA or RNA molecules is synthesized rapidly. This mechanism is commonly seen in bacterial plasmids, bacteriophages and certain plant and animal viruses. In this type of replication … Read more
Chemical Oxygen Demand (COD) is a way to measure how much oxygen is needed to chemically oxidize organic and some inorganic substances in water that is acidic and has a strong oxidant, like potassium dichromate. It is usually shown in mg O₂ per liter. To find out how much oxidizable material is in a sample, … Read more
A dry mount slide is the simplest type of slide preparation in microscopy. It is the process in which a dry specimen is placed directly on the clean glass slide without using any liquid medium. It is the air that remains between the specimen and the objective lens, and the refractive index of air is … Read more
The One Step Growth Curve was first described by Max Delbriick and Emory Ellis in 1939 and started modern bacteriophage research.
What is Animal Behaviour? Animal behaviour is the study of the activities and responses shown by animals in relation to their environment and other organisms. It includes all the actions that animals perform during their life such as searching for food, finding shelter, avoiding enemies, communication and reproduction. These activities help the animal to survive … Read more
Definition of Pseudostratified columnar epithelium A pseudostratified columnar epithelium an epithelium made up of only one layer of cells which creates the appearance of multiple layers due to the nuclei in the cells are located at various levels. It is histologically an epithelium that is simple, even though when viewed from a cross-section it could … Read more
Principles Of Biotechnology Biotechnology has grown and changed a lot over the years. The old way of doing it was to use microbes to make products that people could use. Now, the new way is to use genes to make vaccines. So, the European Federation of Biotechnology (EFB) has come up with a new definition … Read more
