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.
Ribosomes and the Endoplasmic Reticulum. Ribosomes are the organelles responsible for protein translation and are composed of ribosomal RNA (rRNA) and proteins. Some ribosomes are found in the cytoplasm, a gel-like substance that organelles float in and some are found on the rough endoplasmic reticulum.