Scientist classify cellular organisms into the domains of Archaea, Bacteria or Eukarya. Which of the following is adistinguishing cellular characteristic of organisms classified into the domain Eukarya?A. presence of tRNA and rRNAB. presence of a nuclear membraneC. being composed of organic moleculesD. being completely surrounded by a rigid cell wall



Answer :

A distinguishing cellular characteristic of organisms classified into the domain Eukarya is the presence of a nuclear membrane (option B) and organelles surounded by membrane; while Archaea and Bacteria are made of prokaryotic cells, which hasn't got nuclear membrane nor organelles.

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