An egg survives 12 to 24 hours after ovulation, according to the American Pregnancy Association. WebMD notes that sperm can live up to five days inside a woman's body.
About.com explains that due to the lifespan of sperm, fertilization of an egg is possible in a woman who has unprotected sex any time between five days prior to ovulation to one day following the event. This source also states that establishment of pregnancy does not occur until a fertilized egg is implanted in the lining of a woman's uterus. The American Pregnancy Association notes that implantation of the fertilized egg takes place six to 12 days following ovulation.Learn More
The cell theory states that the cell is the basic unit of life. Hans and Zacharias Jansen greatly contributed to the various parts of this theory by inventing the first microscope.Full Answer >
Cytokinesis occurs concurrently with two types of nuclear divisions called mitosis and meiosis, which occur in animals. Mitosis and each of the two meiotic divisions result in two separate nuclei contained within a single cell, according to the National Center for Biotechnology Information.Full Answer >
The job of cytoplasm is to support the structures of the cell. The gel-like substance is composed of vitamins, proteins, sugars, nucleic acids, amino acids, ions and fatty acids.Full Answer >
The vacuole is the site where a cell membrane comes into contact with water. A vacuole, which is an organelle found in a cell's cytoplasm, has a membrane called a tonoplast that surrounds it. The function of this membrane is as a barrier between the salty fluid of the cytoplasm and the contents of the vacuole.Full Answer >