Clinical Microbiology Test 1 Study Guide Questions with 100% Complete Solutions

unicellular organisms that lack a nuclear membrane and true nucleus - bacteria no mitochondria, ER, or Golgi bodies - prokaryotes can be unicellular or multicellular organisms - eukaryotes possess a nuclear membrane, true nucleus, and mitochondria - eukaryotes classified as either yeasts or moulds - Fungi some fungi can be _____which means they exist as either a yeast or a mould - dimorphic smallest infectious particles, cannot be seen with light microscopes - viruses possess DNA or RNA but not both - viruses require host cells for reproduction and metabolism - obligate parasites genetic differences - genotype observable similarities and differences - phenotype closely related to prokaryotes, grow under extreme environmental conditions, not encountered in clinical microbiology - archaeobacteria prokaryotic cells that infect eukaryotic hosts - pathogenic bacteria what do antibiotics target? - unique prokaryotic structures contains DNA as chromosomes (cell structure) - nucleus main sites of energy production; own DNA (cell structure) - mitochondria most eukaryotes do or do not have cell walls? - do not