microbio basic bacteriology6

Question 1

What kind of bacteria have an outer membrane? What is impt to know about the outer membrane’s function? And what is the outer membrane made of?

Answer 1

Gram negatives have an outer membrane. The outer membrane is the site of endotoxin (lipopolysaccharide LPS). The outer membrane is made of Lipid A (which induces TNF and IL-1); O-polysaccharide is the antigen

Question 2

What is the function of the plasma membrane in bacteria? And what is the plasma membrane composed of?

Answer 2

Site of oxidative and transport enzymes; it is composed of a phospholipid bilayer