A common structural feature of vessel elements and sieve tube elements are
(a) pores on lateral walls
(b) presence of p-protein
(c) enucleate condition
(d) thick secondary walls
Correct option (a) pores on lateral walls
Explanation
The vessels are nucleated and the sieve tube elements are enucleated.
The wall of both the vessel and sieve tube elements are perforated by large openings. Due to these adaptation the cell to cell contact is possible.
