Hierarchy classification:

1. top of the aat hierarchies
2. Activities Facet
3. Processes and Techniques (hierarchy name)
4. [processes and techniques by specific type]
5. physicochemical processes

Anotations

Scope note:

In molecular biology a technique for rapidly replicating a sequence of genomic DNA by a simple enzyme reaction. The process is used to produce a sufficient quantity of DNA for detailed analysis and manipulation.