need help with answers Here: Color of Gram positive bacteria after application o

Question

need help with answers

Here: Color of Gram positive bacteria after application of counteraann violet purple D) red/pink. bacteria in a Simple stain have? 4l Which color under the microc fro color' white 5) What are NOT good ptic techniques for bench wo isinfect bench with germicide before and after work. AJ di B) wash hands before and after work C keep a microbial waste en closed Dy keep containers with microbes open What is the primary first dye in the Simple Slain? A) Carbo fuch B Crystal viole D Methylene blue safranin How many dyes are used in the Negative Slain?

Explanation / Answer

13) ans-C - violet /purple/blue

Gram-positive bacteria have a thick cell wall appear blue as crystal violet is retained within the cells, and so the red dye cannot be seen.

14) C blue

bacterial cells usually stain uniformly and the color of the cell depends on the type of dye used .simple staining with only one stain or dye which are crystal violet, safranin (a red dye) and methylene blue.

15 ans-D keep counter with microbes open.

which may cause the various infection and also cause contamination

16 ans-B crystal violet

primary stain -first step to use in gram staining

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