Pancho Villa Â¿Revolcionario o Terrorista? Francisco Pancho Villa first came into the historical record on November 1, 1899 when he was 21. A police report in Chihauhua, Mexico noted that Pancho - under his real name of Doroteo Arango ArÃ¡mbula - was arrested for stealing a couple of cows.
Biological Molecules: Carbohydrates, Lipids, Proteins. By the end of this lab, the student should be able to: Identify the functional groups for each of the biomolecules that react in the following biochemical tests: Benedicts test, Iodine test, Brown Bag test, Sudan III/IV test, and the Biuret's Test.
But there is more to a cell wall than just peptidoglycan. In nature, there are two major types of cell walls, Gram-positive and Gram-negative, each with very different structures. The term 'Gram' refers to the Gram-staining technique that differentiates bacteria with the two different cell walls.