NEET Biology Biological Classification Based Practice Questions & Answers with Viewers Discussion and Detailed Explanation

Question & Answer Discuss:

Thermococcus, Methanococcus and Methanobacterium exemplify

(a) archaebacteria that contain protein homologous to eukaryotic core histones

(b) bacteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondria

(c) bacteria that contain a cytoskeleton and ribosomes

(d) archaebacteria that lack any histones resembling those found in eukaryotes but whose DNA is negatively supercoiled.