Physiology General physiology 43824af0 True about Nissl granule A Involves in RNA synthesis B Present in axon C Involves in protein synthesis D Structurally they are endoplasmic reticulum High-Yield Explanation Nissl granules are organelles containing ribosome . They synthesis the protein necessary for neuron. (REF: TEXTBOOK OF MEDICAL PHYSIOLOGY GEETHA N 2 EDITION, PAGE NO - 20)