Question

hans: where are the lipopolysaccharides found?
a) the outer membrane of gram - negative bacteria
b) both the gram - positive and gram - negative bacteria
c) the gram - positive cytoplasm
d) the gram - positive peptidoglycan

Explanation:

Lipopolysaccharides (LPS) are a component of the outer membrane of Gram - negative bacteria. Gram - positive bacteria do not have an outer membrane with LPS. Gram - positive bacteria have a thick peptidoglycan layer instead. LPS is not found in the cytoplasm of Gram - positive bacteria.

Answer:

A. The outer membrane of Gram - negative bacteria