An oranised and differentiated cellular structure having cytoplasm but no nucleus is
An oranised and differentiated cellular structure having cytoplasm but no nucleus is
A. vessels
B. xylem parenchyma
C. sieve tubes
D. tracheids
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Correct Answer - c
Sieve tubes are food conducting elements of phloem They possess nucleus in the young stage but disappers in mature ones . The central part of sieve tube has an organised and differentiated cellular structure with a network of cytoplasmic strands , though the perpheral cytoplasm is thin and tonoplast is absent.
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