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- Double fertilization (redirect from Polar nuclei)sperm fertilizes the egg cell and the other sperm fuses with the two polar nuclei of the large central cell of the megagametophyte. The haploid sperm and...16 KB (2,006 words) - 08:22, 23 July 2024
- large central cell of the embryo sac contains two polar nuclei. The pollen tube releases two sperm nuclei into the ovule. In gymnosperms, fertilization occurs...15 KB (1,935 words) - 05:10, 23 August 2024
- fertilisation in angiosperms, the haploid male gamete combines with two haploid polar nuclei to form a triploid primary endosperm nucleus by the process of vegetative...45 KB (5,218 words) - 23:47, 26 August 2024
- also enters the synergid and fuses with the two polar nuclei of the central cell. Since all three nuclei are haploid, they result in a large endosperm nucleus...103 KB (11,633 words) - 05:09, 23 August 2024
- E.; Forsberg, R. A. (1995-11-01). "Endosperm Balance Number and the polar-nuclei activation hypotheses for endosperm development in interspecific crosses...58 KB (5,640 words) - 07:03, 30 July 2024
- macapuno embryo and endosperm genotypes postulated Egg nucleus (n) Polar nuclei (2n) Sperm nucleus (n) M m MM mm M MM Germinating embryo Mm Germinating...17 KB (1,684 words) - 01:00, 14 August 2024
- These eight nuclei are arranged into two groups of four. These groups both send a nucleus to the center of the cell; these become the polar nuclei. Depending...6 KB (669 words) - 09:47, 24 December 2022
- generative nuclei of the pollen grain during double fertilization to give rise to the embryo. The other generative nucleus will fuse with the polar nuclei of...59 KB (7,630 words) - 11:36, 27 May 2024
- both send a nucleus to the center of the cell which then becomes the polar nuclei. The three cells left at the end of the cell near the micropylar become...9 KB (1,073 words) - 18:01, 17 August 2024
- embryo, which will become the future plant. The other one fuses with both polar nuclei of the central cell to form the endosperm, which serves as the embryo's...48 KB (6,442 words) - 08:17, 9 June 2024
- sticks between spheres in models. In a polar covalent bond, one or more electrons are unequally shared between two nuclei. Covalent bonds often result in the...40 KB (4,876 words) - 20:13, 24 May 2024
- the part of an embryo that give rise to the shoot system of a plant. Polar nuclei – Radicle – initial root-determined cells (Root apical meristem). Scutellum...82 KB (10,361 words) - 14:43, 23 August 2024
- embryo of the seed, usually triploid, originating from the fusion of both polar nuclei with one gamete after the fertilization of the egg. 2. (gymnosperms)...344 KB (29,020 words) - 00:57, 30 August 2024
- Astrophysical jet (redirect from Polar jets)neutral mixture of nuclei, electrons, and positrons, while others are consistent with jets composed of positron–electron plasma. Trace nuclei swept up in a...16 KB (1,684 words) - 19:01, 21 August 2024
- Ionizing radiation (section Charged nuclei)energy. Such particles include atomic nuclei, electrons, muons, charged pions, protons, and energetic charged nuclei stripped of their electrons. When moving...60 KB (6,553 words) - 05:22, 3 June 2024
- the cell cycle in which replicated chromosomes are separated into two new nuclei. Cell division by mitosis is an equational division which gives rise to...71 KB (7,317 words) - 12:42, 26 August 2024
- directly measured for atoms having quadrupolar nuclei (2H, 14N, 81,79Br, 35,37Cl or 127I). These nuclei are generally objects of NQR nuclear quadrupole...18 KB (2,338 words) - 02:36, 8 February 2024
- Copernicium (section Synthesis of superheavy nuclei)material made of the heavier nuclei is made into a target, which is then bombarded by the beam of lighter nuclei. Two nuclei can only fuse into one if they...48 KB (8,312 words) - 22:53, 21 August 2024
- Thalamus (section Thalamic nuclei)divides the nuclei into anterior, medial, and lateral groups. The thalamus derives its blood supply from a number of arteries: the polar artery (posterior...35 KB (3,788 words) - 15:42, 24 August 2024
- Solar particle event (redirect from Polar cap absorption)flare or in interplanetary space by a coronal mass ejection shock. Other nuclei such as helium and HZE ions may also be accelerated during the event. These...15 KB (1,658 words) - 16:29, 16 June 2024
- Phaenocystes, in connexion with each polar-capsule, a small nuclear body can be generally made out; these two little nuclei are those of the two “capsulogenous”
- collective excitation of collective nuclei belonging to a many-body quantum system. Perhaps the best-known giant resonance in nuclei is the giant dipole resonance
- creation of macromolecules. In the covalent bond, as the distance between the nuclei decreases, each nucleus starts to attract the other atom's electron, which