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.
Definition of frame for Students. 1  1 : the structure of an animal and especially a human body : physique a muscular frame. 2  2 : an arrangement of parts that give form or support to something the frame of a house. 3  3 : an open case or structure for holding or enclosing something window frame picture frame.