Description of the Photosynthetic Apparatus of Fucus vesiculosus L. in Early Embryogenesis

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Dynamics of some photosynthetic parameters was studied in gametes, zygotes, and embryos of kelp Fucus vesiculosus L. The following indices were determined at different stages of seaweed early development: the contents of pigments and ribulose-1,5-bisphosphate carboxylase/oxygenase, the rates of photosynthesis and dark respiration, and the activities of photosystems I and II. The dynamics of photosynthetic activity in the zygotes and embryos of F. vesiculosus proved to reflect the main physiological processes of its early development.

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