SparkChartsTM—created by Harvard students for students everywhere—serve as study companions and reference tools that cover a wide range of college and graduate school subjects, including Business, Computer Programming, Medicine, Law, Foreign Language, Humanities, and Science. Titles like How to Study, Microsoft Word for Windows, Microsoft Powerpoint for Windows, and HTML give you what it takes to find success in school and beyond. Outlines and summaries cover key points, while diagrams and tables make difficult concepts easier to digest.    This four-page chart covers: The history of microbiology Prokaryotic and eukaryotic organisms Illustrations of plant and animal cells Metabolism Diagram of the Krebs (citric-acid) cycle Genetics Table of the five kingdoms How to identify microbes Bacteria and viruses Protozoans and fungi Host-parasite relationship Infectious microbes and disease Body defenses