Identify the chloroplast. A structure of a plant cell. Letters from A to E indicate definite structures. Letter A indicates a green oval structure in the cytoplasm. Letter B marks fluid substance in the cell. Letter C marks a great spherical structure, which is separated from the cytoplasm by a double membrane. Letter D marks a layer of the cell between the cytoplasm and cell wall. Letter E marks the outer cell envelope. Identify the chloroplast. A structure of a plant cell. Letters from A to E indicate definite structures. Letter A indicates a green oval structure in the cytoplasm. Letter B marks fluid substance in the cell. Letter C marks a great spherical structure, which is separated from the cytoplasm by a double membrane. Letter D marks a layer of the cell between the cytoplasm and cell wall. Letter E marks the outer cell envelope. D B C A

From the description you make, it's likely that the structure with letter A is the chloroplast. It is round and small and it's free because of the pigment needed for photosynthesis (chlorophyll). It is located inside the cell, suspended in the cytoplasm.

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