Sperm contest in japan

Moreover, we found that the sperm acrosin contains disulfide-bonded three-dimensional arrangement with a modification of sugar moiety in the molecule, though a role of these structures for the sperm—egg interaction in fertilization remains to be studied Fig.

Actually, we know at present that acrosin is responsible for the dispersal of the acrosomal contents during AR Yamagata et al. Japan's Health and Welfare Ministry says there is still not enough research data to show any link between pollution and fertility.

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This would be an energetic cost towards both genders for the reason that instead of using the energy for reproduction, they are redirecting it towards ridding themselves of this illness.