Nidhi Abhay Kulkarni 
The name ColE1 stands for the gene colicin E1. This plasmid is found in bacteria E. coli. It is a naturally occurring plasmid in bacteria. ColE1 plasmid belongs to the family … Read more
pUC plasmids were first developed by Joachim Messing and his co-workers. It is a commonly used cloning vector in the bacteria E. coli. pUC19 is 2686 bp in length. The molecular … Read more
Ti plasmid (Tumor-inducing plasmid) is an extrachromosomal genetic material found in Agrobacterium tumefaciens which causes crown ball disease in certain dicot plant species. Ti plasmid was developed in the 1980s … Read more
pBR322 is a commonly used cloning vector in E. coli and has tremendous applications in cloning. pBR322 full form p = plasmid BR = Bolivar, and Rodriguez 322 = numerical … Read more
A gene is a sequence of DNA that codes for RNA or a Protein. It is the basic unit of hereditary that is passed from one generation to another. The … Read more
Zacharias Janssen (1570-1638) Robert Hooke (1635-1703) Antony van Leeuwenhoek (1632-1723) Van Helmont (1580-1644) Francesco Redi (1626-1697) Louis Joblot (1645-1723) John Needham (1713-1781) Lazzaro Spallanzani (1729-1799) F. Schulze T. Schwann H. … Read more
Exon is defined as the segment of the eukaryotic gene that encodes a portion of the final product of the gene (protein). Exon = Expressed regions Exon is also defined … Read more
What are Plasmids? Plasmids are small circular DNA fragments, double-stranded, self-replicating extra chromosomal structures found in many microorganisms. The term Plasmid was coined by Joshua Lederberg in 1952. Plasmids are … Read more
What is a Nucleotide? A nucleotide is a pentose sugar linked to a nitrogenous base and a phosphate molecule. Nucleotides are the building blocks of DNA. The nitrogenous bases are derived … Read more
What is Nucleoside? A nucleoside is a molecule with a pentose sugar linked to a nitrogenous base or glycosylamines. A nucleoside can also be defined as a nucleotide without a … Read more
