The below mentioned article provides an overview on Cells and Organisms Used in Molecular Biology. For any molecular biological work or genetic engineering, the synthesis and cloning of any recombinant DNA involves introduction of this DNA into bacteria. Structure of E. coli: Among bacteria, escherichia coli are suitable for this purpose for the following reasons: i. It can be grown [...]
In this article we will discuss about Cellular Differentiation:- 1. Subject-Matter of Cellular Differentiation 2. Role of Cytoplasm in Cellular Differentiation 3. Homeotic Genes. Subject-Matter of Cellular Differentiation: Differentiation is the process by which the genes are preferentially active and the gene products are utilised to bring some phenotypic changes in the cell. It is not the only property of [...]
The following points highlight the four main replications of DNA. The replications are: 1. Plasmid 2. Mitochondrial DNA 3. Kinetoplast DNA 4. Chloroplast DNA. Replication # 1. Plasmid: In addition to the nucleoid DNA, the cytoplasm of bacterial cell contains one or more extra chromosomal mini-circular DNA duplexes which are known as plasmids that can replicate independently of the nucleoid [...]