Question

What is the role of companion cells in phloem?

Answer 1

Phloem

1. It is the vascular tissue.
2. It transport food from leaves to different part of plants.
3. It is bi-directional.
4. Transportation requires energy.

Companion cells

1. They are long, thin-walled cells that are associated with the sieve tube.
2. They have an abundance of organelle which help them to carry out the metabolic process on behalf of the sieve tube.