Made of living cells (as opposed….
also supported by
to xylem vessels which are made of dead cells)
which are supported by companion cells
Function of phloem
transport of dissolved sugars and amino acids
Cells are joined ……. and contain……..in the end cell walls (sieve plates) forming ………..
end-end
holes
tubes which allow sugars and amino acids to flow easily through (by translocation)
Cells also have very few subcellular structures to aid
the flow of materials