Subatomic particle, Element, Molecule, Compound
The greatest effect of the westernization and commoditization of culture is that they created a global culture that allows competing marketers to drive down product costs. The answer to your question is A. I hope this is the answer that you are looking for and it comes to your help.
Answer:
The culture might not be stained properly or the culture might be too old.
Explanation:
Gram staining is done to differentiate between gram-positive and gram-negative bacteria according to the difference in their cell wall. In gram staining, the gram-positive bacteria appears violet and gram-negative bacteria appear pink in color.
Therefore if a pure culture contains have both red and purple cocci that it can be concluded that the gram stating was not done properly like too much destaining was done or too much safranin was used or maybe the culture is too old so that cell wall of some bacteria degrades.