Mibo 3500 exam 1 - Study guides, Class notes & Summaries

MIBO 3500 Exam 2 Questions and Answers Rated A frederick griffith studied streptococcus pneumoniae in mice - hypothesized that bacteria could "transfer" information to each other - S strain -> host death - R strain -> not fatal - pre-killing S strains prevents illness - killed S plus live R is fatal conjugation horizontal gene transfer requiring cell to cell contact - two cells brought together by pilus on the donor - relaxase assists in DNA transfer - requires presence of transferable ...

microbe - correct answer a living organism that requires a microscope to be seen 2 types of microbial organisms - correct answer prokaryotes [cell lacks nucleus] -archaea -bacteria eukaryotes [cell w/ nucleus] -algae/plants -fungi/animals -protists 3 domains of life - correct answer Bacteria, Archaea, Eukarya normal microbiota - correct answer microbes normally present in and on the human body aid digestion prevent diseases by competing with pathogen microorganisms in...

Symbiosis - Answer most intimate association between organisms of different species; both partners may evolve in response to each other 5 types of symbiotic relationships - Answer 1. Mutualism 2. Synergism 3. Commensalism 4. Amensalism 5. Parasitism mutualism - Answer each partner species benefits from the other and may fail to grow independently; 2 or more microbial partners OR 1 or more microbial partners with a plant or animal host Lichens - Answer mutualism o consist of an inti...