MarksRiser
MarksRiser
AIPMT MAIN2008Zoology-Microbiology

AIPMT MAIN 2008 Zoology Archaebacteria MCQ Question

Type: MCQ-conceptual-Medium

Thermococcus, Methanococcus and Methanobacterium exemplify

A

Archaebacteria whose DNA is negatively supercoiled

B

Bacteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondria

C

Archaebacteria having -ve supercoiled DNA but histones are chemically different in composition from eukaryotes

D

Bacteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondria

Correct Answer

Option C

Detailed Explanation

Archaebacteria have -ve supercoiled DNA but histones are chemically different in composition from eukaryotes.

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