Astrobiologists are focused on resolving two central questions to understand the environmental and chemical limits of life. By understanding life’s boundaries, they intend to identify possible biosignatures in exoplanet atmospheres and in the solar system. For example, the lipid bilayer membrane is a central prerequisite for life as we know on Earth. Preceding studies based on simulations of molecular dynamics have suggested that polarity-inverted membranes known as azotosomes made of small nitrogen-containing molecules may be kinetically abundant on cryogenic liquid worlds such as Saturn’s moon Titan.
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Source: Phys.org