7 Fermentation releases energy for the cell without using oxygen. â¢ Fermentation is the process by which cells release energy without using oxygen. Recall that in cellular respiration the cell first breaks glucose into smaller molecules. This releases a small amount of energy. Cells can release energy in two basic processes: cellular respiration and fermentation. Cellular respiration requires oxygen, while fermentation does not. In addition, cellular respiration releases much more usable energy than does fermentation. Cellular respiration releases energy for the cell.
intrude meaning, definition, what is intrude: to go into a place or situation in which you are not wanted or not expected to be: . Learn more.
noun. The definition of an intrusion is an unwelcome interruption or a situation where somewhere private has an unwelcome visit or addition. When you are having a quiet nap in your backyard and your neighbor's dog comes in uninvited and jumps all over you to wake you up, this is an example of an intrusion.oun. (plural intrusions). 1  The forcible inclusion or entry of an external group or individual; the act of intruding. ( 2 geology) Magma forced into other rock formations; the rock formed when such magma solidifies.