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Can someone please explain to me the difference between gram-positive & gram-negative bacteria. What are they, what do they do? EXPLAIN

I know that you can tell them apart by the method called gram staining. The gram consists of two dyes one violet which is the primary one and the red one which is the counterstain.

AND also what does distinguish mean? is it similar to describe?

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    definition for "distinguish" = Like this word?
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       [dih-sting-gwish] Show IPA
    verb (used with object)
    to mark off as different (often followed by from or by ): He was distinguished from the other boys by his height.
    to recognize as distinct or different; recognize the salient or individual features or characteristics of: It is hard to distinguish her from her twin sister.
    to perceive clearly by sight or other sense; discern; recognize: He could not distinguish many of the words.
    to set apart as different; be a distinctive characteristic of; characterize: It is his Italian accent that distinguishes him.
    to make prominent, conspicuous, or eminent: to distinguish oneself in battle.
    verb (used without object)
    to indicate or show a difference (usually followed by between ).
    to recognize or note differences; discriminate.


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