Question

At maturity seive tubes do not posses
1. vacuole
2. nucleus
3. cell wall
4. cytoplasm​

Answer 1

Answer:

In pteridophytes and gymnosperms, sieve tubes are not arranged in linear rows and hence called sieve cells. Sieve tube elements are the conducting element of phloem. ... Sieve tube elements are living and have thin cellulosic walls in young cells but they become thick walled and are without nuclei at maturity.

Answer 2

Answer:

Nucleus

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