Your lab partner is performing a gram stain on

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Chapter 13 / Exercise 17
Biology
Martin/Solomon
Expert Verified
15.Your lab partner is performing a Gram stain on Staphylococcus epidermidisprovided to you by the lab staff. After staining and viewing under a microscope, your lab partner is panicking. You look in the microscope and see pink cocci. What do you tell your terrified teammate? a.“This is what S. epidermidisshould look like. You’re fine.” b.“You probably left the Crystal Violet on the slide for too long.” c.“You probably left the Ethanol on the slide for too long.” d.“You probably left the Iodine on the slide for too long.” e.“You probably left the Safranin on the slide for too long.” 16.Your lab partner is performing a Gram stain on Enterobacter aerogenes provided to you by the lab staff. After staining and viewing under a microscope, your lab partner is hyperventilating again. You calmly look in the microscope and see pink rods. What do you tell your crumbling colleague this time? 17.Which of the following would probably cause your spore stain of Bacillus cereus to turn out horribly wrong? 18.What traits are we using as the basis for isolation of our skin bacteria? This study resource wasshared via CourseHero.com
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Chapter 13 / Exercise 17
Biology
Martin/Solomon
Expert Verified
MIC103L Exam 1 Form A May 1st2017 Page 5of 5Questions 19-25 refer to each species that is a part of our Rogues’ Gallery. For each organism, indicate its expected Gram-stain morphology. 19.Bacillus cereus a.Gram-negative cocci b.Gram-negative rod c.Gram-positive cocci d.Gram-positive rod 20.Escherichia coli a.Gram-negative cocci b.Gram-negative rod c.Gram-positive cocci d.Gram-positive rod 21.Enterobacter aerogenes a.Gram-negative cocci b.Gram-negative rod c.Gram-positive cocci d.Gram-positive rod 22.Micrococcus luteus a.Gram-negative cocci b.Gram-negative rod c.Gram-positive cocci d.Gram-positive rod 23.Pseudomonas putida a.Gram-negative cocci b.Gram-negative rod c.Gram-positive cocci d.Gram-positive rod 24.Staphylococcus epidermidis a.Gram-negative cocci b.Gram-negative rod c.Gram-positive cocci d.Gram-positive rod 25.Streptococcus lactis a.Gram-negative cocci b.Gram-negative rod c.Gram-positive cocci d.Gram-positive rod This study resource wasshared via CourseHero.comPowered by TCPDF ()

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