Imagine there is technology that allows scientists to see all of the movement of molecules inside living things. A scientist points this mac

Imagine there is technology that allows scientists to see all of the movement of molecules inside living things. A scientist points this machine at the stem of a vascular plant and sees glucose molecules being transported to various parts of the plant. The scientist is looking at the movement of molecules through
a.) the xylem.
b.) the phloem.
c.) the roots.
d.) the cuticle.