Essay Database

CH 9 Archaeobacteria—prokaryotic organisms lacking peptidoglycan in their cell walls and differing from eubacteria in many ways. Binomial nomenclature—by Linnaeus where each organism is assigned a genus and specific epithet (2nd name) Cyanobacteria—photosynthetic, prokaryotic, typically unicellular organisms that are members of kingdom Monera Divergent evolution—process where descendents of a common ancestor species undergo sufficient change to be identified as separate species DNA hybridization—process where double strands of DNA of ea. Of 2 …

…is greater than either can achieve aloneSynthetic drug—antimicrobial agent synthesized chemically in the labTetracycline—antibacterial agent that inhibits protein synthesis Therapeutic dosage level—level of drug dosage that successfully eliminates a pathogenic organism if maintained over a period of timeToxic dosage level—amount of a drug necessary to cause host damageZone of inhibition—clear area that appears on agar in the disk diffusion method, indicating where the agent has inhibited growth of the organism