differentiate between egg nucleus and endosperm nucleus
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One sperm nucleus fertilizes the eggcell, forming a zygote, while the other sperm nucleus usually fuses with thebinucleate central cell, forming a primary endosperm cell (its nucleus is often called the triple fusion nucleus). ... About 70% of angiosperm species have endosperm cells that are polyploid.
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If all nuclei of mass number A were to be allowed to be constructed of A neutrons, then 56Fe would release the most energy per nucleon, since it has a larger fraction of protons than 62Ni.
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