BSCI 223- Final Exam Guide - Comprehensive Notes for the exam ( 30 pages long!)

• School: University of Maryland
• Department: Biological Sciences Program
• Course: BSCI 223
• Professor: Dwyer

Document Summary

Microbiology in the news: a(cid:374)tar(cid:272)ti(cid:272) (cid:373)i(cid:272)ro(cid:271)es hold (cid:272)lue to earth"s o(cid:454)(cid:455)ge(cid:374, thin slimy layer of bright green microbes found at anoxic bottom of antarctic. Imaging items using the fluorescent proteins from jelly fish: electron microscopy. Lecture 2: microscopy & history of microbiology: electron waves can be 10^-5 smaller than visible light. In tem (transmission), electron pass through specimen, with dense areas blocking electrons and appearing dark. In sem (scanning), magnetic fields manipulate electron bean to focus electrons back and forth across surface: both tem and sem require vacuum and can only examine dead or fixed organisms. Disease causation & prevention (prior to germ theory: causes, witches. Interference with the natural balance of vital forces: old age, treatment/prevention, banishment, healing with prayer, bleeding, plant extracts, rabies: inoculate poison to counteract venom. Chemotherapy: ger(cid:373)a(cid:374) (cid:373)i(cid:272)ro(cid:271)iologist, paul ehrli(cid:272)h"s (cid:862)(cid:373)agi(cid:272) (cid:271)ullet(cid:863, antimicrobial chemotherapy. Lecture 3: history of microbiology, classification, cell structure, gram staining.