Which of the following is an example of an extremozyme?

A) a microorganism that is isolated from a very hot, thermal pool of water
B) the Taq polymerase, isolated from Thermus aquaticus, which is used in PCR
C) a cellulase enzyme, which can digest cellulose, used in a stain remover
D) a biopesticide used to control insect pests in the garden
E) a microorganism used in nanotechnology