Q. $Thermococcus,\ Methanococcus$ and $Methanobacterium$ are
A) Archaebacteria having eukaryotic histone homologue
B) Bacteria with cytoskeleton
C) Archaebacteria with negatively supercoiled DNA as eukaryotes but lacking histones
D) Bacteria having positively coiled DNA, cytoskeleton, mitochondria
Explanation
Thermococcus, Methanococcus and Methanobacterium are archaebacteria with negatively supercolled DNA as in eukaryotes but lacking histones
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.