Organelles present in sieve tubes?

Question

I know that sieve tubes do not have ribosomes, nuclei and cytoskeletal elements. What other organelles does it not have? Does it have a cytoplasm?

Answer 1

Sieve tube elements, although living, lack certain organelles at maturity to facilitate efficient transport.

The organelles include

. Plasma membrane

. SER

. Plastids

. Mitochondria