The Bacterium Thermus Aquaticus Proved to Be Important in Biology

The bacterium Thermus aquaticus proved to be important in biology because

A) it put researchers on a path that led to the great domain of life, the Archaea.
B) it makes a heat resistant enzyme.
C) its heat-resistant enzyme can catalyze the polymerase chain reaction.
D) synthetic forms of its heat-resistant enzyme triggered a revolution in biotechnology.
E) all of these are true.