Restriction enzymes break the phosphodiester bond between the phosphate and the pentose sugar in the sugar-phosphate backbone at the specific... View Article
Restriction enzymes are mostly isolated from bacteria such as Escherichia coli, Haemophilus influenzae, Thermus aquaticus, etc. Further reading:... View Article
Yes, EcoRI is a restriction enzyme. It is isolated from Escherichia coli RY13. Further reading: Plasmid What Is EcoR1? MCQs On Lac Operon... View Article
Restriction enzymes are commonly found in prokaryotes as their natural defence against foreign DNA. Further reading: Plasmid What Is EcoR1?... View Article
Restriction enzymes recognise the specific recognition sequence and cut the sugar-phosphate backbone of the DNA double helix at the specific... View Article
Type IV restriction enzymes cut methylated DNA and are less sequence-specific. Further reading: Plasmid What Is EcoR1? MCQs On Lac Operon... View Article
Type 1 restriction enzyme contains a large enzyme complex with restriction and methylase activities. It cuts DNA far from the recognition... View Article
Type 2 restriction enzyme cuts DNA within its recognition sequence and is widely used in molecular biology for genetic engineering, DNA... View Article
In the type I restriction enzyme, nuclease and methylase activities are performed by one enzyme complex and it cuts DNA far from the recognition... View Article
Yes, restriction enzymes cut DNA therefore they are called molecular scissors. Further reading: Plasmid What Is EcoR1? MCQs On Lac Operon... View Article
Bacteria hide their own DNA from the action of restriction enzymes by methylation of bases within the recognition sequences by methylases.... View Article
Restriction enzymes cut DNA at specific sequences called recognition sequences or sites. Restriction endonuclease recognises specific palindromic... View Article
Restriction enzymes are molecular scissors. They cut DNA molecules at specific places Examples of restriction enzymes are EcoRI, Hind II, BamHI,... View Article
Restriction enzymes cut the DNA molecules at specific sequences. They are used in recombinant DNA technology. Further reading: Plasmid What... View Article
Outcrossing refers to the mating of unrelated animals of the same breed, i.e. they do not have a common ancestor for 4-6 generations. Outbreeding... View Article
The hepatopancreatic sphincter is a valve that guards the opening of the hepatopancreatic duct into the duodenum. It controls the flow of bile... View Article
During imbibition, water gets absorbed by solids-colloids, resulting in an increase in the volume. E.g. water absorption by seeds or dry wood.... View Article
Karyokinesis refers to the nuclear division of the cell. Also Check: Cell Cycle and Cell Division Do Prokaryotes Have Mitosis or Meiosis?... View Article
