WHAT ARE SIEVE TUBES?WHAT ARE ITS MAIN FUNTIONS?

Asked by HIMAJA | 9th Aug, 2012, 09:28: PM

Expert Answer:

Sieve tubes are elements of phloem. They are slender, tube-like structures composed of elongated thin-walled cells, placed end to end. The main function of sieve tubes is to transport sugars and nutrients up and down the plant.

Answered by  | 13th Aug, 2012, 10:43: AM

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