Question: What makes up recombinant DNA?
About the article "DNA", section "Genetic engineering".

Candidate passages:
Bacterial spheroplasts, with suitable recombinant DNA inserted into it, can be used to transfect animal cells.
Spheroplasts with recombinant DNA are introduced into the media containing animal cells and are fused by polyethylene glycol (PEG).
With this methodology, nearly 100% of the animal cells may take up the foreign DNA. 
Molecular cloning is a set of experimental methods in molecular biology that are used to assemble recombinant DNA molecules and to direct their replication within host organisms.
The use of the word "cloning" refers to the fact that the method involves the replication of a single DNA molecule starting from a single living cell to generate a large population of cells containing identical DNA molecules.
Molecular cloning generally uses DNA sequences from two different organisms: the species that is the source of the DNA to be cloned, and the species that will serve as the living host for replication of the recombinant DNA.
Molecular cloning methods are central to many contemporary areas of modern biology and medicine.
In a conventional molecular cloning experiment, the DNA to be cloned is obtained from an organism of interest, then treated with enzymes in the test tube to generate smaller DNA fragments.
Subsequently, these fragments are then combined with vector DNA to generate recombinant DNA molecules.
The recombinant DNA is then introduced into a host organism (typically an easy-to-grow, benign, laboratory strain of "E. coli" bacteria).
This will generate a population of organisms in which recombinant DNA molecules are replicated along with the host DNA.
Because they contain foreign DNA fragments, these are transgenic or genetically modified microorganisms (GMO).
This process takes advantage of the fact that a single bacterial cell can be induced to take up and replicate a single recombinant DNA molecule.
This single cell can then be expanded exponentially to generate a large amount of bacteria, each of which contain copies of the original recombinant molecule.
Thus, both the resulting bacterial population, and the recombinant DNA molecule, are commonly referred to as "clones".
Strictly speaking, "recombinant DNA" refers to DNA molecules, while "molecular cloning" refers to the experimental methods used to assemble them. 
Recombinant may refer to:  A recombinant organism - an organism that contains a different combination of alleles from either of its parents.
Recombinant DNA - a form of artificial DNA  Recombinant virus - a virus formed by recombining genetic material  VRLA, a valve regulated lead acid (VRLA) battery that is also referred to as a recombinant battery "InSoc Recombinant", an album by synthpop band Information Society  
 "Main Article": Recombinant DNA Biomolecular Engineering of Molecules.
Recombinant DNA.
Recombinant DNA are DNA biomolecules that contain genetic sequences that are not native to the organism’s genome.
Using recombinant techniques, it is possible to insert, delete, or alter a DNA sequence precisely without depending on the location of restriction sites.
There are a wide range of applications for which recombinant DNA is used. 
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