Question

what is function of campanion cell

Answer 1

• Its function is uncertain, though it appears to regulate the activity of the adjacent sieve element and to take part in loading and unloading sugar into the sieve element.

• The companion cell will carry out all the metabolic functions of the sieve-tube member.

Answer 2

Answer:

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what are the functions of campanion cell_??

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Functions : The companion cells help in maintaining the pressure gradient in the sieve tubes. The pressure gradient can be defined as the difference in pressure that decides the direction of flow of a fluid.

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Companion cells are found in angiosperms only. Gymnosperms and pteridophytes lack these cells. Gymnosperms possess albuminous cells, in place of companion cells. The albuminous cells are associated with sieve cells in them.