8 AntibioticsAre medicines used to kill bacteria and other micro-organisms.Genetically engineered.Ex. Penicillin
9 One of the first antibiotics; comes from a fungus called penicillium. PenicillinOne of the first antibiotics; comes from a fungus called penicillium.
10 Alexander Fleming Scottish 1929 Discovered penicillium on agar plates but could not purify it.
11 Florey and Chain British Scientists 1939-1945 WWII Developed penicillin on an industrial scale for the public.Won the Nobel Peace Prize with Fleming.
12 How does penicillin kill bacteria? The bacteria lengthen, but cannot divide. Eventually the weak cell wall ruptures
13 Other benefits of bacteria… InsulinEngineered bacteria that produce insulin for diabetes.Scientists put genes carrying genetic code for human insulin into E. coli. The bacteria makes human insulin.FoodCheese, yogurt, buttermilk, and sour cream are created by lactic-acid bacteria.The bacteria digest mild sugar lactose and converts it into lactic acid. (Which preserves and adds flavor)
14 Using the Essential Question for this lesson, write or bullet the answer.