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Polar nuclei


Aspects of the topic polar-nucleus are discussed in the following places at Britannica. Assorted References angiosperm gametophytes ( in plant reproductive system: Angiosperms ) ...micropyle, one functions as an egg. As the pollen tube discharges its contents into the female gametophyte, the egg nucleus is fertilized by one of the sperm, the other unites...
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... sperm combines with the two polar nuclei of the large central cell of ... The remaining two nuclei, called polar nuclei, share the cytoplasm of the large ...
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... (orange), central cell with two polar nuclei (bright green), and antipodals (dark ... The large central cell of the embryo sac contains two polar nuclei. ...
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b. two polar nuclei have migrated to the center of the large central cell. ... and synergids, as well as the polar nuclei are positioned within the embryo sac. ...
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Chemical bonding: Part 4 of 10; Polar covalence. ... The answer is yes, if the two nuclei have equal electron attracting powers. ...
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The egg cell and polar nuclei are contained within the embryo sac. ... nucleus fertilizes a polar cell with two 1N nuclei, generating a 3N triploid ...
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... in the center containing two polar nuclei is called the endosperm mother cell. ... fuses with the two haploid polar nuclei (ABC and ABC) within the ...
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Encyclopedia article about exine. Information about exine in the Columbia ... and the other fuses with the polar nuclei to form endosperm (food-storage tissue) ...
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central nuclei fuse to form a diploid polar nucleus that ... chalazal antipodal cells, two polar nuclei in a central cell, and a three-celled ...
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Double fertilization The parts of a flower Double fertilization Double ... The remaining two nuclei, called polar nuclei, share the cytoplasm of the large ...
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ovule n. Botany. A minute structure in seed plants, containing the embryo sac and ... The large central cell of the embryo sac contains two polar nuclei. ...
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The other sperm cell fertilizes a part of the ovary called the polar nuclei. The polar nuclei develop into the endosperm, the part of a seed that stores ...
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