24. Upon pathogen attach, plants can defend themselves via following methods EXCEPT _____.
(A) Synthesizing chemicals that inhibit the pathogen.
(B) Limiting the spread of the pathogen to other cells.
(C) Generating antibodies against specific items found in the pathogen.
(D) Secreting chemicals that signal the presence of pathogens to other parts of the plant.
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統計: 尚無統計資料