Protein synthesis is also known as translation. Protein synthesis takes place in ribosomes. Ribosomes are non-membrane bound cell organelles, made up of protein and r-RNA.
Mitochondria is a double membrane bound cell organelle. It is known as power house of cell because ATP is synthesizes in mitochondria.
Chloroplast is a double membrane bound cell organelle. Photosynthesis in green plant takes place in chloroplast.
Golgi bodies is complex organelle made up of membrane linked stack of cisternae, tubules and vesicles. It helps in glycosidation of proteins and lipids.