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Prokaryote Cell Structures

26. Prokaryotes / Prokaryotic Cell Structure / Problem 2

Which of the following distinctions between bacteria classified as gram-positive and gram-negative is untrue?

A

They have different components of the cell wall.

B

Teichoic acids are present in gram-positive bacteria but absent in Gram-negative bacteria.

C

After the gram stain, Gram-positive bacteria appear pink, whereas Gram-negative bacteria appear purple.

D

Lipopolysaccharide is not present in gram-positive bacteria but is present in Gram-negative bacteria.

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