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MIP 302 - Exam 1 Questions and Correct Answers 2024/2025 | Graded A+
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MIP 302 - Exam 1 Questions and Correct Answers 2024/2025 | Graded A+
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MIP 302 - Exam 1What are the 5 kingdoms? - ANSAnimalia, Plantae, Fungi, Protista, Monera
What kingdom(s) contain prokaryotes? - ANSMonera
What kingdom(s) contain eukaryotes? - ANSAnimalia, Plantae, Fungi, Protista
What kingdom(s) contain microorganisms? - ANSProtista, Fungi, Monera
What kingdom do bacteria fall into? - ANSMonera
What kingdom do fungi fall into? - ANSFungi
What kingdom do protists fall into? - ANSProtista
What are yeasts? - ANSSingle celled fungi
What are molds? - ANSAn aggregate of many fungi cells
What is a virus? - ANSAcellular; composed of protein and nucleic acid (either RNA or DNA,
but not both); obligate intracellular parasites
What is a prion? - ANSComposed of only protein; cause normal cellular protein to refold and
become prion protein
What are the three domains? - ANSArchaebacteria, Eubacteria, Eukarya
Explain how to properly write a scientific name of a bacteria. - ANSGenus name comes first
and should be capitalized; species name comes second and should be lower case; both
names are italicized or underlined; the first time a name is used it should be written out in full
but after that, the genus name can be shortened to one letter
What is aseptic technique? - ANSTechniques used to prevent microbial contamination
What is the purpose of aseptic technique? - ANSTo prevent microbial contamination in our
samples
What are the general basic rules of aseptic technique? - ANSClean your work bench of
clutter; put on your lab coat; tie back long hair; wash your hands; disinfect your bench with
Wescodyne; work with open tubes near the flame to prevent entry of airborne microbes;
slant open tubes and plates away from your mouth and nose; never lay caps, lids or culture
tubes on the bench top; do not talk while tubes or plates are open; never put anything in your
mouth; work quickly; keep tubes and plates closed when not in use; remove your lab coat
before you leave; wash your hands
, What are microscopic ocean-dwelling algae called? - ANSPhytoplankton
What is special about the cell walls of algae? - ANSThey are rigid and made up of silica or
calcium carbonate which cause them to have symmetrical shapes
What is responsible for diatomaceous earth? - ANSDiatoms and their silica cell walls
What is a protozoan? - ANSUsually motile, eukaryotic, unicellular protist
What types of organisms within the fungi kingdom did we observe? - ANSYeasts and molds
What are the cell walls of yeasts and molds comprised of? - ANSChitin
How do molds reproduce? - ANSYeasts reproduce asexually by budding and sexually
through the production of spores; molds and mushrooms reproduce asexually through
spores and sexually through gamete and spore formation
What do yeasts produce under aerobic conditions? - ANSCarbon dioxide
What do yeasts produce under anaerobic conditions? - ANSCarbon dioxide and alcohol
through fermentation
What are hyphae? - ANSLong, threadlike filaments that join together to form the mycelium
What are hyphae called when protoplasms stream continuously through them? -
ANSCoenocytic hyphae
What are hyphae called when they have cross walls between them? - ANSSeptate hyphae
What are the different variations of hyphae? - ANSCoenocytic hyphae and septate hyphae
What are mycelium? - ANSA network of hyphae
What are sporangium? - ANSAerial hyphae that produce spores; give molds their 'hairy'
appearance
What are spores? - ANSa minute, typically one-celled, reproductive unit capable of giving
rise to a new individual without sexual fusion
When preparing a slide for staining, why is it important to only place a small amount of cells
on the slide? - ANSSo as not to saturate the slide while viewing it
Why are slides allowed to dry completely before heat-fixing? - ANSSo that we don't boil the
microbes and cause them to pop
How does one determine whether one's cells are algae or protozoans? - ANSAlgae are
photosynthetic so they will appear green or yellow; protozoa are usually motile
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