22. Collenchyma cells can be recognized by
(A) lignin in the cell walls.
(B) the presence of chloroplasts.
(C) their unevenly thickened cell walls.
(D) the lack of nuclei at maturity.
(E) large central vacuoles.  

答案：登入後查看
統計： A(6), B(10), C(26), D(2), E(4) #1118754

詳解 (共 2 筆)

#4836000
Parenchyma cells are...
(共 403 字，隱藏中）
前往觀看
1
0
#6238693
(A)lignin in the cel...
(共 157 字，隱藏中）
前往觀看
0
0