A unicellular microorganism was recovered from a hot spring (95°C) in Wyoming. The cells lack a nucleus, have a cell wall that lacks peptidoglycan, and have 70S ribosomes. Analysis of the plasma membrane reveals that the lipids contain long chained branched hydrocarbons with ether linkages. Based on this description, select the group in which this organism would be classified.
Multiple Choice
a) Fungi
b) Bacteria
c) Protist
d) Archaea