Question

Choose the one most appropriate answer for each.
a. gives rise to periderm
b. nucleate phloem cells that help load and unload the phloem
c. dead cells with perforation plates; more efficient at water conduction than other xylem cells
d. living nonnucleated cells that conduct food from photosynthetic source area to storage sink area
e. a cylinder of parenchyma cells outside the vascular tissue but inside the endodermis
f. clusters of strands containing xylem, phloem, and vascular cambium
g. dead cells without perforation plates; the principal xylem cells of nonflowering vascular plants
h. cells with thick secondary walls impregnated with lignin that are especially abundant in some fruits and seeds
i. the principal photosynthetic region of a leaf
j. regions that can undergo mitosis
k. gas exchange and storage plus photosynthesis
Tracheids

Answer

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