Multiple Choice
When Marcello Malpighi removed the bark from a tree to examine the flow of solutes, he discovered that over time _______ indicating that _______.
A) the bark below the girdle swelled; a solution coming from the roots had been trapped
B) the bark below the girdle shrank; the flow of water in the xylem had ceased
C) the bark above the girdle swelled; the flow of solutes in the phloem had stopped
D) there was no noticeable change; solutes are transported in the xylem
E) the region above and below the girdle swelled; the flow of solutes is bidirectional
Correct Answer:
Verified
Correct Answer:
Verified
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