Ciliate conjugation is a sexual phenomenon that results in genetic recombination and nuclear reorganization within the cell. In most ciliate groups, however, the cells separate after conjugation, and both form new macronuclei from their micronuclei.
Before the bun, hamburgers are said to have been served between two pieces of bread. In fact, a ground beef patty was known as Hamburger steak (first mentioned in an American cookbook in 1891); when this was put between bread or in a bun it was called a Hamburger sandwich.
The most believed story is that of Lionel Sternberger who claims to have invented the cheeseburger accidentally, at the age of 16 when he was working in his fatherâs restaurant in Pasadena, California. Some other restaurants claim cheeseburger to be their invention, like Louisville at Kentucky. In 1934 Louis Ballast of Humpty-Dumpty drive in of Denver, Colorado got the patent for the cheeseburger. Lionel Sternberger was born on 21 st of February 1907. He died at the age of 57 on 30 th of January 1964. He worked as a fry cook in his fatherâs restaurant.