Enzymes used in PCR. Several types of thermostable DNA polymerases are available for use in PCR, providing a choice of enzymatic properties, see table DNA polymerases used in PCR. Taq DNA polymerase, isolated from the eubacterium Thermus aquaticus, is the most commonly used enzyme for standard end-point PCR.
Symbolic Frame. A collection of media artifacts that represent principles, components, and assumptions of the symbolic/cultural frame. Yes, academics and student achievement are important to any school. However, some school leaders believe that building a school culture is just as important.
A sign; a token; a representation of one thing by another. 2. A symbolical delivery is equivalent, in many cases, in its legal effects, to actual delivery; as, for example, the delivery of the keys of a warehouse in which goods are deposited, is a delivery sufficient to transfer the property. 1 Atk. 171; 5 John.