Question

Prokaryotic cells differ from eukaryotic cells in the

• A. Presence of cell membrane
• B. Absence of histones
• C. Presence of chromosomes
• D. Absence of cell wall

Answer 1

The correct option is B Absence of histones

Histones are the proteins which wrap the DNA. These are highly alkaline proteins and arrange the DNA into structural units called nucleosomes. Histones are the main proteins in chromatins of the eukaryotic cells. They are not present in prokaryotes.

Hence, the correct answer is 'Absence of histones'.