Pepperoni dominates as the most popular pizza topping. A whopping 36% of people order pepperoni on their pizzas, according to research by business advisor Brian Roemmele. Roemmele researched point-of-sale data from 604 pizza locations across the United States. Here's the chart of his findings, which was first posted to Quora: Brian Roemmele/Quora
Nutrient Agar is a complex medium because it contains ingredients with contain unknown amounts or types of nutrients. Nutrient Agar contains Beef Extract, Peptone and Agar in water. Beef extract is the commercially prepared dehydrated form of autolysed beef and is supplied in the form of a paste.
Agar is the jelly-like substance used to culture bacteria. It is made from a type of red algae which provides an ideal growing surface for many different types of bacteria. Some types of agar contain added nutrients (such as sheep's blood) which help to promote more vigorous bacterial growth. In a heat proof dish or bowl, stir half a teaspoon of the nutrient agar powder into 60 ml (approximately 1/4 cup) of hot water. 2  Multiply these quantities for however many petri dishes you plan on using.