Chapter 27.6

Question 1

Exotoxins

Answer 1

Exotoxins are secreted and cause disease even if the prokaryotes that produce them are not present

Question 2

Endotoxins

Answer 2

Endotoxins are released only when bacteria die and their cell walls break down

Question 3

Lipo-Polysaccharide (LPS)

Answer 3

a molecule found in the outer membrane of most Gram-negative bacteria, such as E. coli and Salmonella

Endotoxin

Question 4

Bioremediation

Answer 4

Prokaryotes are the principal agents in bioremediation, the use of organisms to remove pollutants from the environment