The following article will guide you to find out how does bacteria reproduce. Asexual reproduction is characteristic of all bacteria. Sexual reproduction was long thought to be absent but investigations with the help of electron microscope have clearly demonstrated the exchange of genetic material in some species of bacteria. This is an essential feature of the sexual process and is [...]
In this article we will discuss about the life history of bacillus subtilis. It is popularly known as Hay bacillus. It is a common example of a rod-shaped bacterium. A rich culture of the bacterium can easily be prepared in the laboratory. Take hay and chop it into small pieces. Put the chopped bits in water to prepare an infusion. [...]
The following points highlight the eight chief methods used for the transmission of plant viruses. The methods are: 1. Seed Transmission of Virus 2. Transmission by Vegetative Propagation 3. Transmission by Mechanical Means 4. Transmission by Cuscuta 5. Soil Transmission 6. Insect Transmission 7. Transmission by Fungi 8. Some Soil Inhabiting Viruses have Nematode Vectors. Method # 1. Seed Transmission [...]