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Primitive Gases
Naturally occurring gases, such as hydrogen and helium, believed to have been present in the earliest stages of the earth’s atmosphere.
Organic Molecules
Molecules that contain carbon and are found in living things. These are the basis of organic chemistry and are capable of forming large and complex structures.
Miller's Experiments
A series of experiments conducted by Stanley Miller in the 1950s demonstrating that organic compounds essential to life could have formed on the early Earth under certain conditions.
Virulence Factors
Molecules produced by pathogens (bacteria, viruses, fungi, and parasites) that contribute to the pathogenicity and enable them to invade the host, evade the immune system, or cause damage to host tissues.
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