The correct no. of egg apparatus, Synergids, Antipodal cells and polar nuclei respectively in a typical embryosac of angiosperms
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A mature embryo sac is a 7-celled and 8-nucleate structure. The 8 nuclei are arranged in precise positions. One nucleus is located in the egg cell near the opening of embryo sac. Two nuclei are located in two synergid cells which flank the egg cell. The synergids and egg cell together constitute the egg apparatus. Two nuclei are located in a single cell called central cell present in the middle of the embryo sac and are called polar nuclei. The other three nuclei reside in the cells called antipodals which are located at the end of embryo sac, opposite to egg cell.
Thus, embryo sac consists of egg appratus, central cell and antipodal cells.
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