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.
Best Answer: I want to say it was around 1970 or 1971...and it was cheeseburger I think.... http://www.foodreference.com/html/fhambu... The pasta and seasoning mix known as 'Hamburger Helper' was introduced in 1970 by General Mills. The product was created during a meat shortage, and was designed to help housewives stretch a pound of ground beef (hamburger) into a tasty family meal.