Asked by Bonia

Give one weight for each of the following description.
1.a plant hormone(gas) and causes abscission and ripening of fruits
2.positive pressure of phloem contents drives phloem content into sieve tunes
3.layer of suberin and lignin bordering four sides of root endodermal cells
4.the first cell layer in the vascular cylinder from which lateral roots develop
5.part of the seed which provides nutrients to the developing plant before photosynthesis start

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