You Are Studying Life-Forms in Extreme Environments, and You Have

You are studying life-forms in extreme environments, and you have discovered a microorganism with cardiolipin, hopanoids, and ester linkages in the membrane. It also has teichoic acids, galactans, and phenolic glycolipids in the cell wall. In addition, it is a porin similar to OmpA. This microorganism is most likely related to

A) eukaryotic cells.
B) archaea.
C) mycobacteria.
D) Gram-positive bacteria.
E) Gram-negative bacteria.