sieve tubes are devoid of nuclei,but still they are living. how
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Sieve tube cells are closely related to the companion cells via the plasmodesmata. At the start, they possess a nucleus, however, at the prime stage they lose the ribosomes, nucleus, and vacuoles and get segregated for the conduction of food. Hence, even the mature sieve tubes are enucleated, they remain living.
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Sieve tube cells are closely related to the companion cells via the plasmodesmata. At the start, they possess a nucleus, however, at the prime stage they lose the ribosomes, nucleus, and vacuoles and get segregated for the conduction of food. ... Hence, even the mature sieve tubes are enucleated, they remain living
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