component found in Gram(-) cells. This is one bacterial wall component that adds

Question

component found in Gram(-) cells. This is one bacterial wall component that addsa negative charge to the cells structure.LUsing the LPS image below, add on and draw Methylene blue (as a round circle) being attracted to the appropriate sites on this molecule. (As would happen during a simple stain) O antigen Outer Core Po. PO. po. Inner Core Lipid A Image accessed 6/2/2015 from: http://en.wikipedia.org/wiki/Lipopolysaccharide By Mike Jones, 2010 Creative Commons Attribution-Share Alike 3.0 Unportec

Explanation / Answer

1. Binds to inner core

The methylene blue stain chromophore is positive ion it binds to -ve charge phosphate of inner core of the LPS.

2. 1. It as an antiphagocytic factor. The capsule can protect cells from engulfment by macrophages.

2. Capsule provides virulence to disease fighting cells

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