Question

What are companion cells and are associated with what?​

Answer 1

$\huge{ANSWER}$

Companion cell A type of cell found within the phloem of flowering plants. Each companion cell is usually closely associated with a sieve element. 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.

Answer 2

Answer:

These cells are found beside sieve tubes(sieve tubes are also element of phleom) and are connected to them through pores.Companion cells are thin-walled cells with a dense cytoplasm and an elongated neuclus.These cells assist sieve tubes in the conduction of food.However companion cells are found only in closed-seeded plants...