Question

bacteria stained by...........​

Answer 1

Answer:

bacteria by the chemical and physical properties of their cell walls. Gram-positive cells have a thick layer of peptidoglycan in the cell wall that retains the primary stain, crystal violet.

Answer 2

Bacteria is stained by gram-staining.

Explanation:

• Gram staining can be defined as a technique by which researchers are able to distinguish bacterial microorganisms into two main types.

• Gram positive and gram negative are the types of bacteria which are distinguished using gram staining.

• As gram positive bacterial have a thick cell wall, hence they attain the colour of the stain which is violet.

• Gram negative bacteria, on the other hand, attain pinkish color as a result of staining.