Define the term recombinant DNA.
Recombinant DNA is produced during the process of genetic engineering.
Genetic engineering involves the use of several groups of enzymes.
Name the groups of enzymes used for the following techniques in genetic engineering:
Cutting DNA at specific base sequences.
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Making a single-stranded DNA copy of a piece of mRNA.
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Joining pieces of DNA together, e.g. a desired gene and a plasmid.
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Plasmids are loops of bacterial DNA that can be altered during genetic engineering to contain desired genes, e.g. a gene that provides pest resistance in crops.
In addition to such desired genes, plasmids may be further altered to contain additional sections of DNA.
Describe one example, other than the desired gene, of a section of DNA that might be added into a plasmid during genetic engineering.
Plasmids can be used to transfer recombinant DNA into the cells of living organisms.
Give the biological term used to describe components that transfer DNA into the cells of organisms.
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