In this article we will discuss about the properties and functions of genetic material in organisms. The genetic material must have some well-defined properties to fulfill its functions. These are enumerated below: 1. It must act as a store-house of information and must be able to transmit the information to the biochemical machinery of the cell. 2. It must be [...]
The below mentioned article provides a study note on temperate bacteriophages, these are the phages that can enter into a lysogenic relationship with their host. Subject-Matter of Temperate Bacteriophage: There are some bacteria and bacteriophages (bacterial viruses) whose relationships are partially symbiotic. The bacterium may carry such a phage as a part of its chromosome, while in turn, the phage [...]
In this article we will discuss about:- 1. Meaning of Plasmids 2. Classes of Plasmid 3. Copies of Plasmids within a Cell 4. Phenotypic Effects of Plasmids 5. Origin of Plasmids and Viruses 6. Uses of Plasmids. Meaning of Plasmids: In bacterial cells, certain autonomously replicating circular genetic elements (DNA) are found some of which can become integrated into [...]