Yes, the hypothalamus controls hunger. It controls the urge for eating and drinking. It lies at the base of the thalamus. It also controls body... View Article
The DNA fragment having the desired gene and the vector are first cut by restriction enzyme and then DNA and vector are mixed together with DNA... View Article
Like ion-exchange chromatography, Electrophoresis is a procedure that uses differences in the electrical charges to separate the molecules in a... View Article
There are several enzymes modifying the DNA molecules by elimination or addition of particular chemical groups. Some essential ones are given... View Article
Nucleases degrade the molecules of DNA by disintegrating the phosphodiester bonds which associate one nucleotide with the adjacent one in the... View Article
The main aim of amplification is to increase the copy number of a plasmid. Some multicopy plasmids have the beneficial attribute of being able to... View Article
Bacterial cell extract has good quantities of RNA and protein. Several methods can be used to purify DNA from such a mixture. Treating the... View Article
The process for the total DNA preparation from a culture of a bacterial cell can be categorized into four stages - Culture of bacteria is grown... View Article
Often, the complementary single strands are referred to as cohesive ends or 'sticky' ends. This is because the base pairing between them can... View Article
As opposed to the lytic cycle, lysogenic infections are characterized by the retention of the phage DNA molecules in the host bacterium,... View Article
The typical infection pattern (same for all phage types) is a three-step process: Phage substances bind to the exterior of the bacterium,... View Article
Plasmids, based on the prime characteristic coded by the plasmid genes, can be classified into the following types: R or resistance plasmids -... View Article
Plasmids can be categorized as conjugative and nonconjugative. These conjugative plasmids are distinguished by their ability to facilitate sexual... View Article
Copy number and size of a plasmid are particularly important as far as cloning is concerned. Copy number is the number of molecules of an... View Article
Congenital disorders (birth defects) can be classified as follows - Classification Example Malformation or congenital abnormality Congenital... View Article