the processes of spermiogenesis i condensation and elongation of N i formation of the acrosome cover the anterior and lateral portion of n contain hydrolytic enzymes for fertilization li. formation of flagellum: for motility iV formation of mitochondria sheath V. discharge of useless organelle and cytoplasm---the processes of spermiogenesis i. condensation and elongation of N ii. formation of the acrosome -cover the anterior and lateral portion of N -contain hydrolytic enzymes for fertilization iii. formation of flagellum: for motility iv. formation of mitochondria sheath v. discharge of useless organelle and cytoplasm