1 This will occur only if the egg has been united with a male sperm cell (fertilized). 2  A chick will hatch from a fertile egg if the egg is incubated at 100.5 degrees F for 21 days. 3  You can tell if an egg is fertile by candling and identifying a mass or small spot in the egg.
I. TYPES OF CELLS GROWN IN CULTURE. Tissue culture is often a generic term that refers to both organ culture and cell culture and the terms are often used interchangeably. Cell cultures are derived from either primary tissue explants or cell suspensions.Primary cell cultures typically will have a finite life span in culture whereas continuous cell lines are, by definition, abnormal and are often transformed cell lines.ell cultures are derived from either primary tissue explants or cell suspensions. Primary cell cultures typically will have a finite life span in culture whereas continuous cell lines are, by definition, abnormal and are often transformed cell lines.
What is a Culture Test. A culture is a sample of tissue or fluid taken from the body that can be evaluated in the laboratory to detect and identify infections, as well as determine sensitivity to antibiotics.Cultures are obtained to assist the provider in determining the type of infection and in directing the antibiotic choice.putum Culture. Sputum is produced in the lungs and in the airways leading to the lungs. Sputum culture testing helps detect and identify bacteria or fungi that are infecting the lungs or breathing passages like bronchitis or pneumonia.