richaeviney
30.11.2019 •
Biology
Freshly deposited in the vagina are incapable of penetrating an oocyte. 2. as sperm travel through the corona radiata, secretions of the cervix, uterus and uterine tubes capacitate the sperm by making their membranes more fragile and capable of releasing enzymes. 3. when capacitated sperm a secondary oocyte, they are able to weave past granulosa cells of the with the aid of hyaluronidase enzymes present on their surface.
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