Question

What is the name of cell organelle which was absent in phloem sieve tubes

Answer 1

Nucleus and Mammalian erythrocytes are absent in phloem sieve tubes.

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Answer 2

Answer:

Sieve tube cells are absent in phloem sieve tubes.

Explanation:

Sieve tube is a elongated living cells of the phloem which is responsible for food transmission. After its maturity the nucleus of the sieve tubes are fragmented and disappears along with the cellular organelle.