Sieve Tube Elements Have Sieve Plates Where They Join Other

Multiple Choice

Sieve tube elements have sieve plates where they join other sieve tube elements. Which of the following statements about the sieve plates is true?

A) Sieve plate pores are enlargements of meristems.
B) They allow conduction between sieve tube cells through plasmodesmata.
C) They allow for the joining of cytoplasm between adjacent stomata.
D) They contain the organelles of the cell.
E) None of the above