Why does the author mention "glycoprote...
Câu hỏi: Why does the author mention "glycoproteins" in line 17 ?
A To illustrate how chemicals function in plant defense
B To emphasize the importance of physical barriers in plant defense
C To compare plant defense mechanisms to the immune system of animals
D To introduce the discussion of active defense mechanisms in plants
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT QG môn Anh Cụm 5 THPT Chuyên Hưng Yên - năm 2018 (có lời giải chi tiết)