Sieve tubes are well-suited for the transloca | vedclass

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

Vedclass · Accepted Answer

They have a wide lumen with very little peripheral cytoplasm.

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(D) Sieve tubes are the main conducting elements of the phloem in angiosperms. They are long,tube-like structures arranged longitudinally and are associated with companion cells. They possess a wide lumen to facilitate the bulk flow of food materials (translocation of nutrients). Furthermore,they contain very little peripheral cytoplasm and lack a nucleus at maturity,which minimizes resistance to the flow of sap.

Sieve tubes are well-suited for the translocation of nutrients because:

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