Ankh. Christian Symbolism The definition and the meaning of the Christian Symbol or Icon in early religious art forms. A Catholic sign or icon, such as the Ankh, is an object, character, figure, or color used to represent abstract ideas or concepts-a picture that represents an idea.
The role of these chloroplast-unique ribosomal proteins in regulating translation of chloroplast mRNAs, including light-regulated translation, is suggested by the location of these structures on the ribosome. Biochemical data confirm a predicted function in chloroplast translation for some of the unique proteins.
â¢ Chloroplasts use light to produce ATP and sugars, whereas mitochondria use sugars to produce ATP. â¢ Chloroplasts found only in photosynthetic eukaryotic organisms, such as plants and green algae, whereas mitochondria found in every eukaryotic organism. â¢ Mitochondria have matrix, and chloroplasts have stroma. â¢ Unlike the mitochondria, chloroplasts contain a pigment called chlorophyll and thylakoid disks.