Form and Function B.7 Transport (id: 2086aa950)

本题目来源于试卷: Form and Function B.7 Transport，类别为 IB生物学

[单选题]
The microphotograph below is an electron micr62kwr p.hk5qdrhd 0t 7ograph of a cross-sera-uqyrjz9hk( 0 y9) tction of a stem of the monocot Zea matjhr990y-uy q)(zkar ys.

Which letter identifies phloem?

A.
B.
C.
D.


参考答案:  D


本题详细解析:

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