Endotoxins are ____ and are released when ____
a. excreted from the cell; the bacteria feel threatened.
b. in the cytoplasm of bacteria; the bacteria do endocytosis.
c. part of the gram-negative cell wall; gram-negative bacteria die.
d. molecules that bind nerve cells; nerve cells undergo exocytosis.
e. associated with gram-positive bacteria; gram-positive bacteria divide by mitosis.