Which of the following is considered a possible result of the Mannitol Salt Agar lab (Hint: result has a specific meaning in science)? Group of answer choices The organism is Gram-negative The organism is inhibited by NaCl The organism is Staphylococcus epidermidis Yellow colony growth with surrounding halo Organism does not ferment mannitol
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Step 1: The Mannitol Salt Agar lab is used to differentiate between different species of Staphylococcus bacteria based on their ability to ferment mannitol and tolerate high salt concentrations. Show more…
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During the preparation of the Mannitol Salt Agar, the mannitol was accidently left out. Which of the following would be true about this agar? (select all that apply) a. gram positive bacteria could grow on it b. gram negative bacteria could grow on it c. some bacteria could produce a yellow halo when grown on it d. some bacteria could produce a black precipitate when grown on it e.no bacteria could grow on this agar f. there would be no differential reactions on this agar
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An unknown specimen was grown on Mannitol Salt agar (MSA). Observe the pictured result and answer the following question. Select ALL appropriate statements regarding the pictured Mannitol Salt agar (MSA) test result. The organism tested does not ferment mannitol. The organism tested is possibly a type of Staphylococci. The organism tested is able to grow in the presence of high salt. The organism tested ferments mannitol. The organism tested is most likely Escherichia coli (E. coli). Submit Request Answer
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A catalase-negative colony growing on a plate that was incubated aerobically could be which of these genera? a) Bacillus b) Escherichia c) Micrococcus d) Staphylococcus e) Streptococcus
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