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 possess 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

Explanation

Sieve tube elements are also long, tube like structure and are associated with companion cells. Their end wall are perforated in a sieve like manner to form the sieve plate. A sieve element possesses a peripheral cytoplasm and a large vacuole but lacks a nucleus.