Mitosis is the normal process in eukaryotes for cell division, duplicating chromosomes and segregating one of the two copies into each of the two daughter cells, and contrast with meiosis.
Dishwasher Venting Problems. Dishwasher venting problems are usually caused by a clogged vent or drain mechanism. As the dishwasher runs, water flows into the unit through the water supply and back out through the drain. To prevent the water from siphoning out of the unit during the washing cycle, air is vented from the dishwasher as water drains.
At this point it may join the main stack. It is, therefore, possible for a house to have several bathrooms, and only one vent stack going up through the roof. Typically improper venting results in a siphoning or gurgling noise when water is drained out of a sink or tub. A sewer odor at a fixture can.