Two nuclei within one cell are found in

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(C) The correct answer is the Central cell.In a mature angiosperm embryo sac,six out of the eight nuclei are surrounded by cell walls and organized in

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Central cell

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(C) The correct answer is the Central cell.In a mature angiosperm embryo sac,six out of the eight nuclei are surrounded by cell walls and organized into cells (the egg apparatus consisting of one egg cell and two synergids,and three antipodal cells).The remaining two nuclei,known as polar nuclei,are situated below the egg apparatus within a large central cell.Thus,a typical mature angiospermic embryo sac is $8$-nucleate and $7$-celled.

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