Respuesta :
Acrosomal reaction releases enzymes such as hyaluronidase and acrosin that allow sperm to penetrate the corona radiata of the secondary oocyte. Before entering the ovum proper, spermatozoa must pass through the zona pellucida and corona radiata. To do this, they release hydrolytic enzymes from the acrosome called acrosin and hyaluronidase, which penetrate the corona (a trypsin-like protease which digests the zona pellucida).
What factor allows sperm to penetrate the corona radiata?
Some sperm experience an acrosomal reaction known as a spontaneous acrosomal reaction, which is one that is not brought on by contact with the zona pellucida. The corona radiata extracellular matrix is broken down by the digestive enzymes that are generated during this event.
What part of the sperm releases hydrolytic enzymes that allow it to penetrate the layers of the egg?
A distinctive membrane organelle that covers the sperm nucleus' proximal region called the acrosome has undergone significant evolution. Numerous hydrolytic enzymes found in this acidic vacuole, when produced, aid the sperm in penetrating the egg coverings.
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