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Name: Amber
Status: Student
Age: 17
Location: N/A
Country: N/A
Date: 2002

Do gram negative and gram positive cell walls give a bacteria a general polarity, making a gram negative cell hydrophobic and a gram positive cell hydrophilic?

No, the term Gram positive and negative have nothing to do with charge. They are used to describe the response of bacterial cells to a staining procedure developed by Gram. If the bacteria stain dark purple one calls them Gram-positive, if they are red one calls them 'negative'. Read more about Gram staining at

Trudy Wassenaar

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