Which of the following is nucleated?
eve cell
Vessel
Companion cell
Companion cells are specialised parenchymatous cells.
They help in maintaining the pressure gradient in the sieve tubes.
Nuclei of the companion cells control the function the sieve tubes.
Question 23 Which of the following do not lose their nucleus at maturity? (a) Companion cells (b) Red blood cells (c) Vessel (d) Sieve tube cells