Prothallus represents a gametophyte in the life cycle of fern.
A prothallium, or prothallus<span> (from Latin pro = forwards and Greek θαλλος (thallos) = twig) is usually the gametophyte stage in the life of a fern or other pteridophyte. Occasionally the term is also used to describe the young gametophyte of a liverwort or peat moss as well.
"It is the process in which one molecule of glucose is broken in half, ... producing two molecules of pyruvic acid, a 3—carbon compound. HOW does the C811 get glycolysis going? It uses the energy of 2 molecules of ATP."
