Science, asked by dheerajgarg89, 11 months ago

why are the sieve tube cells called so​

Answers

Answered by Classicalboy
21

Answer:

Sieve cells are also associated with gymnosperms because they lack thecompanion cell and sieve member complexes that angiosperms have. ... Their narrow pores are necessary in their function in most seedless vascular plants and gymnosperms which lack sieve-tube members and only have sieve cells to transport molecules.

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