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Clone (verb) is the action of duplicating the genetic material within a vector. To clone the piece of DNA, one would insert it into some type of the vector (like, a plasmid) and put the resultant construct into a host (generally a bacterium) so that the plasmid and insert replicate with the host. An individual bacterium is made isolated and grown and the plasmid containing the "cloned" DNA is re-isolated from bacteria, at which point there will be many millions of copies of the DNA - essentially an limitless supply. Actually, an investigator wishing to clone some gene or cDNA rarely has that DNA in a purified form, so practically speaking, to "clone" something involves screening a cDNA or genomic library for the desired clone. See also "Probe" for a description of how one might start a cloning project, and "Screening" for how the probe in used.
One can also clone more complex organisms, with considerable difficulty. The much-publicized Scottish research that resulted in the sheep 'Dolly' exemplifies this approach.
In which environments do bacteria live? Bacteria can be found in various environments throughout the planet. There are bacteria in the air, in fresh water, on the surface, in t
labelled diagram of male and female cockroach with difference between them
What do you mean by crystalline style? A rodlike structure in some mollusc stomachs which is made of enzymatic proteins required for digestion. Cilia lining the stomach rotate
For a somatic cell with 2n = 4, which of the following is true? (Note: G1- growth phase 1, G2 - growth phase 2, M - metaphase, P - prophase and T - telophase) a. (Number of
How different are pteridophytes from bryophytes regarding substance transport? Pteridophytes are tracheophyte (vascular) plants, i.e., they have tissues specialized in conduct
flowers formation without any leaves?
How is the genetic determination of sex established in humans? In the diploid genome of the human beings, there are 46 chromosomes, 44 of them are autosomes and two are sex chr
Q. What are primary indications for pharmacologic stress? The primary indications for pharmacologic stress are inability to exercise or the desire to identify viable myocardium
what is the location of connective tissues in our body
JOINTS - The structural arrangement of tissues which connect 2 or more bones together at their place of meeting is called a joint. Study of joint is arthrology. Joint make the
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