Choose the Correct Order of Events in Sea Urchin Fertilization

question 234

Multiple Choice

Choose the correct order of events in sea urchin fertilization.

• A) Acrosomal reaction, slow block to polyspermy, fast block to polyspermy
• B) Formation of the acrosomal process, acrosomal reaction, fast block to polyspermy
• C) Fast block to polyspermy, acrosomal reaction, slow block to polyspermy
• D) Acrosomal reaction, sperm organelles enter egg cytoplasm, fusion of egg and sperm plasma membranes, fast block to polyspermy
• E) Acrosomal reaction, formation of the acrosomal process, fusion of egg and sperm plasma membranes, formation of the fertilization cone

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