Thermococcus, Methanococcus and Methanobacterium exemplify:
Choose Your Option
A. Bacteria that contain a cytoskeleton and ribosomes
B. Archaebacteria that lack any histones resembling those found in eukaryotes but whose DNA is negatively supercoiled
C. Archaebacteria that contain protein homologous to eukaryotic core histones
D. Bacteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondria