Which of the following list best describes the features used to classify an organism as a member of Domain Bacteria?
A. Unicellular, lacking a nuclear envelope and membrane bound organelles, contains ribosomes but lacks introns
B. Unicellular, contains a nuclear envelope and membrane bound organelles, contains ribosomes but lacks introns
C. Multicellular, lacks a nuclear envelope and membrane bound organelles, contains introns but lacks ribosomes
D. Unicellular, lacks a nuclear envelope and membrane bound organelles, contains introns but lacks ribosomes