Sieve tubes are associated with the transloca | vedclass

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(C) Sieve tubes are the main conducting elements of phloem in angiosperms. They are long,tube-like structures arranged longitudinally and are associat

Vedclass · Accepted Answer

Peripheral cytoplasm and perforated cell walls

Vedclass · Answer

(C) Sieve tubes are the main conducting elements of phloem in angiosperms. They are long,tube-like structures arranged longitudinally and are associated with companion cells. Their end walls are perforated in a sieve-like manner to form 'sieve plates'. Mature sieve tube elements possess a peripheral layer of cytoplasm and a large central vacuole,but they lack a nucleus. The presence of peripheral cytoplasm and perforated end walls (sieve plates) facilitates the efficient translocation of food materials.

Sieve tubes are associated with the translocation of food because they possess:

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