Science, asked by arman1660, 1 year ago

the nucleus of the sieve tubes of plant phloem is lost

give reason in 5 to 6 lines

correct answer will be marked as brainist.

Answers

Answered by Anonymous

The sieve tubes of the phloem in angiosperms consist of sieve tube elements or members. These are cells which lose their nucleus, ribosomes, and vacuoles at maturity. They of course have cytoplasm, and it is connected by channels to companion cells (which do have these organelles).

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