MICRB 107- Final Exam Guide - Comprehensive Notes for the exam ( 42 pages long!)
Document Summary
Biogenesis theory- that living cells arise only from pre-existing cells. Most bacteria have peptidolgylcan eukaryotes do not. How do we defend ourselves against pathogens that cause diseases??: chemotherapy, synthetic drugs (made in the lab, ehrlich-salvarsan, antibiotics (meds that are made w/ bacteria or fungi, fleming penicillin, immunity (immunology, jenner small pox vaccine. Axial filaments: are underneath a sheath, can not get loose into the environment, the wiggle or rotate through its environment. Fimbriae: straighter, shorter, and thinner then flagella; used for attachment: if the cell loses fimbriae it can"t cause diseae, virulence: capable of causing disease, attach to innate surfaces like rocks and things. Glycocalyx: well organized = capsule: loosely organized = slime layer, attached to cell walls, made up of polysachharides , sticky and can form groups called biofilm, important in biofilms eps extracellular polymeric substance. No cell wall: mycoplasma, protoplast lysosome, spheroplast edta and lysosome (gram negative) Micro- too small to see w/ unaided eye.
