Question

Why are the companion cells named so?​

Answer 1

Answer:

they work as an assimilated power so they are named

Answer 2

Answer:

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. Thus its called as companion cell.

Explanation:

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