Question

The major function of sieve tubes in plants is??

Answer 1

Companion cells provide Sieve tube members with proteins necessary for signaling and ATP in order to help them transfer molecules between different parts of the plant. It is the companion cells that helps transportcarbohydrates from outside the cells into the sieve tube elements.

Answer 2

In plant anatomy, sieve tube elements, also called sieve tube members, are a specialised type of elongated cell in the phloem tissue of flowering plants.The ends of these cells are connected with other sieve tube members, and together they constitute the sieve tube.The main function of the sieve tube is transport of ...Sep 16, 2016