4. Which is true regarding bacterial endotoxins?
(A) Produced only by Gram-positive bacteria.
(B) Bacterial endotoxins are heat stable and weakly immunogenic.
(C) Bacterial endotoxins cannot cause fever.
(D) Bacterial endotoxins are neurotoxins that can target nerve tissue.
(E) The A subunit of an endotoxin is responsible for toxic effect.
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統計: 尚無統計資料
統計: 尚無統計資料