Question

You are a technician in the newly established Forensic Microbiology Lab of the Moon. A recently discovered microbe is brought in for inspection. It has the following characteristics:_________. no membrane-bound organelles; ribosomal RNA with some eukaryotic sequences; introns in some DNA segments; a cell wall lacking peptidoglycan; and complex RNA polymerase molecules. This organism is most likely a member of which domain?

Answer 1

Archaea

Explanation:

• Archaea is derived from the greek word "Archaios" which means Primitive or Ancient.
• Archaea is a group of single celled prokaryotic organisms.
• The molecular characteristics of Archaea separate them from Bacteria and Eukaryotes.
• Pyrolobus fumarii, is a member of Archaea which are found living in hydrothermal vents, and holds the upper temperature at 113° C for life.
• Picrophilus, which are separated from acidic soils, are the most acid tolerant organisms and can grow at a pH 0.
• Methanogens produce Methane Gas and are present in Anaerobic Environments.