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What Is Pen In Biology? [Solved]
The correct option is C Primary endosperm nucleus. PEN. PEN stands for Primary Endosperm Nucleus. One of the two male gametes released from the pollen tube fertilises the diploid central cell of the embryo sac to produce a triploid primary endosperm cell (PEC) during double fertilisation.3 Jul 2022
The Pen Test - Biology
The exploitation of ecological systems to affect
Use different types of pen in your biology notes😍
Do you feel FEAR, ANXIETY, NERVOUSNESS when it comes to speaking
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