All the following statements regarding sieve tube elements are true expect

Options

A. Their end walls have perforated sieve plates which become impregnated with lignin at maturity
B. They posses a peripheral cytoplasm as well as a large vacuole
C. Distinct proteinaceous inclusions, the p- proteins are seen evenly distributed throughout the lumen
D. Long, slender, tube-like structures arranged in longitudinal series

Answer

A