The of the sperm contains enzymes necessary for the penetration of the egg. the of the sperm contains enzymes necessary for the penetration of the egg. acrosome nucleus tail midpiece

10111213141516lactic acid fermentation differs from ethyl alcohol fermentation in thato in ethyl alcohol fermentation co2 is also producedlactic acid fermentation can occur in all living thingsethyl alcohol fermentation can only occur in plantsonly lactic acid fermentation can produce more atp