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Question
Biology
Posted 10 months ago

The classification of prokaryotic cells into Gram - negative or Gram - positive depends on the characteristics of the following:

Select one:
a. The plasma membrane.
b. The ribosomes
c. The chromosomes.
d. The cell wall.
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Answer from Sia
Posted 10 months ago
D
Key Concept
Gram Staining
Explanation
The classification into Gram-negative or Gram-positive is based on the cell wall's properties, particularly its ability to retain the crystal violet dye during Gram staining. Gram-positive bacteria have a thick peptidoglycan layer that retains the dye, while Gram-negative bacteria have a thinner layer and do not retain the dye, instead taking up the counterstain (safranin or fuchsin).

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