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Microbiology › ViewWhich of the following is the endotoxin?
A. Lipopolysaccharide
B. Collagenase
C. Streptokinase
D. Hyaluronidase
Cell and Tissue › View
Which structures are found in plant cells, but not in animal cells?
A. Cell membranes and mitochondria
B. Vacuoles and cholorplasts
C. Cell walls and cytoplasm
D. Chloroplasts and cell walls