Cut watermelon, both pre-cut chunks and slices you make yourself, must be stored in the refrigerator. Bacteria multiply quickly when you leave cut watermelon in the âdanger zone,â between 41 and 135 degrees Fahrenheit. You can leave the watermelon out for two hours and still safely eat it.
Lactose: The sugar found in milk. Lactose is a large sugar molecule that is made up of two smaller sugar molecules, glucose and galactose. In order for lactose to be absorbed from the intestine and into the body, it must first be split into glucose and galactose. The glucose and galactose are then absorbed by the cells lining the small intestine.
Definition. 1  Lactose intolerance refers to the inability of the body to digest lactose. 2  Lactose is the form of sugar present in milk. The enzyme lactase, which is normally produced by cells lining the small intestine, breaks down lactose into substances that can be absorbed into the bloodstream.