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Plastids are sites for manufacturing and storing pigments and other important chemical compounds used by the cells of autotrophic eukaryotes. Some contain biological pigments such as used in photosynthesis or which determine a cell's color.
11 maj 2022 · Plastid is a double membrane-bound organelle involved in the synthesis and storage of food, commonly found within the cells of photosynthetic plants. Plastids were discovered and named by Ernst Haeckel, but A. F. W. Schimper was the first to provide a clear definition.
All plastids contain the same genome as chloroplasts, but they differ in both structure and function. Chloroplasts are specialized for photosynthesis and are unique in that they contain the internal thylakoid membrane system.
Plastids are pivotal subcellular organelles that have evolved to perform specialized functions in plant cells, including photosynthesis and the production and storage of metabolites.
3 lut 2023 · What are plastids and where are they found in a cell – learn their meaning, types, structure, and functions described with examples and labeled diagram
4 lut 2023 · These undifferentiated plastids characterized by their small size (Fig. 1A) are localized in reproductive cells, meristematic tissues, and dormant seeds; they constitute the form in which plastids are transmitted to the next generation (Marciniec et al., 2019).
Plastids possess plastoglobuli (spherical lipid droplets that stores lipids according to the requirement), an internal membrane network of many discrete vesicles, and multiple copies of a small genome and 70s ribosomes. Bacteria, fungi, and animal cells lack plastids.