Question

Which of the following enzyme helps sperm to penetrate zona pellucida?

• A. Hyaluronidase
• B. Neuraminidase
• C. Acrosin
• D. Corona penetrating enzyme

Answer 1

Answer: (C)

Acrosin is also called zona lysin and digests zona pellucida. Hyaluronidase dissolves hyaluronic acid. CPE dissolves corona radiata.