Latestl 2026l 2027l Updatel Fundamentalsl

Labl Practicum:l BIOSl 242/l BIOS242l

(Latestl 2026/l 2027l Update)l Fundamentalsl ofl Microbiologyl withl Labl Guide|l Q/Al |l Gradel A|l 100%l Correctl (Verifiedl Answers)—Chamberlain

Q:l isolatingl purel cultures

Answer:

Disinfectl bench.Labell agarl plate.Sterilizel loop,l cool,l andl obtainl sample.Streakl samplel inl quadrantl 1.Flamel loop,l cool,l streakl quadrantl 2l (draggingl froml quadrantl 1).Repeatl forl quadrantsl 3l andl 4,l flamingl loopl betweenl each.Incubatel platel agarl sidel up.

Q:l stepsl forl graml staining

Answer:

1.l crystall violetl (primaryl stain) 2.l iodinel (mordant) 3.l alcoholl (decolorizer) 4.l safraninl (counterstain)

Q:l graml positivel bacteria 1 / 3

Answer:

retainl crystall violetl (purple)

Q:l graml negativel bacteria

Answer:

safraninl (pink/red)

Q:l cocci

Answer:

sphericall bacteria

Q:l bacilli

Answer:

Rod-shapedl bacteria

Q:l spirilla

Answer:

spiral-shapedl bacteria

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Q:l physicall methods

Answer:

heaat,l filtration,l radiation

Q:l chemicall methods

Answer:

disinfectants,l antiseptics

Q:l outcomes

Answer:

sterilization,l disinfection,l antispesis

Q:l phenoll redl broth

Answer:

carbohydratel fermentation

Q:l yellowl color

Answer:

acidl productionl (positivel fermentation)

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