BIO 255 EXAM 1 STUDY GUIDE COMPLETE AND VERIFIED

BIO 255 Exam I Study Guide Basic topics: you need to fill in the details! Chapters 1, 3 + readings from 6, 4, 5, 8 Species mentioned/discussed: E. coli (Escherichia coli) I. Honors the discoverer, Thomas Escherich II. Coli describe the bacterium’s habitat (Colon) III. Originally Bacterium coli IV. “Graduate” bacteria A. Uses mixed acid fermentation Staphylococcus aureus I. Found on skin Neisseria gonorrhoeae I. Most are human cell pathogen A. Stick to tongue tissue II. Epithelial cell attachment Bacillus anthracis I. Has endospores Mycobacterium tuberculosis I. Acid-Fast Stain Treponema pallidum Proteus vulgaris Chapter 1- Introduction Microbes Organisms that are too small to be seen with the unaided eye I. Types A. Eukaryotic: 1. Algae a) Cellulose cell walls b) Use photosynthesis for energy c) Produce molecular oxygen and organic compounds 2. Fungi a) Chitin cell walls b) Use organic chemicals for energy c) Mold and mushrooms are multicellular d) Yeast are unicellular 3. Protozoa a) Absorb or ingest organic chemicals b) May be motile by pseudopods, cilia, or flagella c) Only a cell membrane B. Prokaryotic: 1. Bacteria