18 results found

Search Results for: restriction enzyme

Restriction enzyme

Definition noun, plural: restriction enzymes An enzyme that catalyzes the cleavage of DNA at restriction sites, producing... Read More

Ecori restriction enzyme

Ecori restriction enzyme (Science: enzyme molecular biology) a commonly-used restriction enzyme (enzyme which will cleave... Read More

Cleavage site

Definition noun, plural: restriction sites The site in a polynucleotide chain as to where the restriction enzyme cleaves... Read More

Sticky end

Definition noun, plural: sticky ends (molecular biology) A fragment of DNA (often produced by a staggered cut on the DNA... Read More


What Is Agar? Agar, also called agar agar, is a natural gelling agent derived from seaweed (specifically algae belonging to... Read More

Cohesive end

Definition noun, plural: cohesive ends (molecular biology) A fragment of DNA (often produced by a staggered cut on the DNA... Read More


Definition noun (molecular biology) Unpaired nucleotide(s) in the end of a DNA molecule, which may be produced by a... Read More

Modification enzyme

modification enzyme (Science: enzyme molecular biology) An enzyme that introduces minor bases into dNA or rNA or that alters... Read More


An enzyme is a catalyst or a chemical produced by cells to speed up a biochemical reaction. It is usually a protein molecule... Read More

Genetic Information and Protein Synthesis

Genetic Code Genes are sequences of DNA nucleotides that carry and transmit the information specifying amino acid sequences... Read More

Restriction fragments

restriction fragment (Science: molecular biology) The fragments of dNA generated by digesting DNA with a specific... Read More

Silent mutation

A mutation is a change in the nucleotide sequence of a gene or a chromosome. When there is only one nucleotide involved, it... Read More

Recombinant DNA

Definition noun Genetically-engineered DNA molecule formed by splicing fragments of DNA from a different source or from... Read More


Vector Definition When one thinks of vectors one may think of many different things. This is because a vector can be... Read More

Missense mutation

What is a missense mutation? Literally speaking, a mutation that changes the meaning of the encoded gene sequence is the... Read More


Polymorphism Definition The occurrence of two or more different forms or morphs in the population of a species is referred... Read More

Hind ii

Hind ii (Science: enzyme molecular biology) first type II restriction endonuclease identified, by Hamilton Smith in 1970.... Read More


splase (Science: enzyme) Constructed by genetically fusing the dNA-cleavage domain of foki restriction endonuclease with the... Read More