Question

In angiosperms, sieve tubes are associated with specialized cells of parenchyma. Name these cells and briefly write how do they function.

Answer 1

these cells are companion cells . They help on supporting the dive tube which does not have their own nucleus

Answer 2

Companion cell

Explanation:

• The special cells are companion cells. the sieve tube elements and companion cells are connected by pit fields present between their common longitudinal walls the buddy cells help in keeping up the weight angle in the sifter tubes.

• They are the channels of nourishment (for the most part sugar) transport.