_____ move sugar and amino acids into and out of the sieve elements.
Given the following descriptions, identify the feature(s) that correctly describe(s) tracheids and vessel elements.
X. Both are non-living
Y. Perforation plates are present in vessel elements but absent in tracheids
Z. Both are highly efficient in water conduction
The widened, perforation-containing, water-conducting cells found only in angiosperms are called:
Which of the following would be seen in a cross-section of a woody root?
Endodermis is the _______ layer of root cortex.