問題詳情
22. Collenchyma cells can be recognized by
(A) lignin in the cell walls.
(C) their unevenly thickened cell walls.
(E) large central vacuoles.
(B) the presence of chloroplasts.
(D) the lack of nuclei at maturity.
(A) lignin in the cell walls.
(C) their unevenly thickened cell walls.
(E) large central vacuoles.
(B) the presence of chloroplasts.
(D) the lack of nuclei at maturity.
參考答案
答案：C
難度：非常困難0.125
統計：A(2),B(1),C(1),D(1),E(0)
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