Q. In the sieve elements, which one of the following is the most likely function of P-proteins?
A) Deposition of callose on sieve plates
B) Providing energy for active translocation
C) Autolytic enzymes
D) Sealing mechanism on wounding
Explanation
The main function of P-protein is sealing off damaged sieve elements by plugging up sieve plate pores.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.