10 Questions
What type of lipids are unique to Archaea cell membranes?
Ether-linked lipids
Which domain shares a more recent common ancestor with Archaea?
Eukarya
What is a unique feature of some Archaea cell membranes that contributes to their robust structure?
Lipid monolayer
In terms of DNA-related biology/processes, Archaea are more similar to which domain?
Eukarya
What is the primary cell wall component for the majority of archaea?
Proteinaceous S-layers
What is the unique polymer found in the cell walls of a small subset of Archaea?
Pseudomurein
What is the function of hami in some archaea?
Fix cells to a surface or to other cells to mediate biofilm formation
How do archaea achieve swimming motility?
Via an archaellum - a propeller-like appendage driven by ATP hydrolysis
Where is Haloquadratum walsbyi commonly found?
Hyper-saline lakes with saturating salt concentrations
What is the doubling time of cultured Asgard archaea?
~10 days
Explore the unique aspects of archaea cell biology and how it differs from bacteria. Learn about archaea cell membranes, cell walls, flagella, surface appendages, and the Asgard archaea, our distant relatives.
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