prototrophism

Noun

 * 1)  Reversion to the growth factor requirements of an ancestral strain.
 * 2) The ability to obtain nourishment from a single source, such as iron, sulfur, or sunlight or to undergo anabolism.
 * 1) The ability to obtain nourishment from a single source, such as iron, sulfur, or sunlight or to undergo anabolism.
 * 1) The ability to obtain nourishment from a single source, such as iron, sulfur, or sunlight or to undergo anabolism.
 * 1) The ability to obtain nourishment from a single source, such as iron, sulfur, or sunlight or to undergo anabolism.