Q. A common structural feature of vessel elements and sieve tube elements is
A) Thick secondary walls
B) Pores on lateral walls
C) Presence of P-proteins
D) Enucleate condition
Explanation
The wall of both vessel and sieve tube elements are perforated by large opening. Due to these adaptation, the cell to cell contact is possible. The vessels are nucleated, whereas the sieve tube elements are enucleated.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.