Mibo 3500 exam 2 - Study guides, Class notes & Summaries

MIBO 3500 Final Exam (2023/2024) (Complete and Accurate) Microbial size definition organisms and acellular agents too small to be seen by the unaided eye contradictions to this definition -supersize microbial cells -microbial communities -viruses You are caring for a patient actively infected with Mycobacterium tuberculosis. Size of contaminated respiratory droplets are nm in size. Standard surgical masks are designed to block particles larger than 5 μm. Will wearing a standard surgical m...

MIBO 3500 Exam 2 |Questions and Answers 2023

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

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...

frederick griffith - correct answer 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 - correct answer 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 p...