Transcription in Prokaryotes
Transcription in Prokaryotes The process of synthesis of RNA by copying the template strand of DNA is called transcription. During replication entire genome is copied […]
Microbial Genetics
Cloning vector-characteristics and types
Cloning vector-characteristics and types Cloning vector Cloning vector is a small DNA molecule capable of self-replication inside the host cell. Cloning vector is used for […]
Gene cloning-Steps involved in gene cloning
Gene cloning- Steps involved in gene cloning Gene cloning Gene cloning involves separation of specific gene or DNA fragments from a donor cell, attaching it […]
Ames test-a test for Mutagenicity: Principle, Procedure and Application
Ames test Principle Ames test is developed by Bruce N. Ames in 1970s to test for determining if the chemical is mutagens. This test is […]
Repair Mechanism of Mutation
Repair mechanism of mutation Repair system play a significant role in mutation process. As a result of repair, potentially lethal changes in DNA may be […]
Mutagenesis and Mutagens
Mutagenesis and Mutagens Mutagenesis is the process of inducing mutation by a number of physical, chemical or biological agents. The agents that causes mutation are […]
Mutation and types of mutation
Mutation and types of mutation Mutation Mutation is the change in sequence of nucleotide of DNA. Change in sequence of nucleotide brings sudden change in […]
Phenotypic characteristics and Phenotypic changes
Phenotypic characteristics and Phenotypic changes Phenotypic characteristics Phenotypes are observable characteristics of an organism. It include any characteristics of a microorganism such as morphological characteristics, […]
Epigenetic regulation of Lac Operon in E. coli
Epigenetic regulation of lac operon in E. coli Lac operon A Classical example of epigenetic regulation of phenotypic heterogeneity is the utilization of lactose as […]