зрна полена

зрна полена

The containers for male gametophytes of seed plants produced in a microsporangium by meiosis. Microspores produced by seed plants that contain the male gametophyte.

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Category: Cell biology
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писмо

Писмо је написана порука на папиру. Данас је необично да се користи овај начин за комуникацију (осим за званична или важна питања) због напретка у ...