Question

the following stains are used to observe the cells under the microscope.
1 safranin
2 Eosin
3 Methylene blue
4 all of the above​

Answer 1

Answer: Option (1) is corrct.

Explanation:

The Gram staining is the common method which is used for staining and observing the bacteria. The method includes the components are crystal violet, Gram's iodine, alcohol and safranin. The stain is taken up by the bacterial cell wall due to the presence of peptidoglycan. The Gram-positive bacteria are stained with crystal violet and appear purple under the microscope. The Gram-negative bacteria are stained with safranin and appear pink .

Answer 2

Answer:

option 3 is correct

Explanation:

3-Methylene blue