Which of the following lists of features exemplifies the Domain Archaea?
A. Unicellular, unbranched phospholipids in their cell membrane, no nuclear envelope and contain some introns
B. Unicellular, varying branched lipids in their cell membrane, nuclear envelope and contain some introns
C. Multicellular, varying branched lipids in their cell membrane, no nuclear envelope and contain some introns
D. Unicellular, varying branched lipids in their cell membrane, no nuclear envelope and contain some introns