In an egg cell treated with a chemical that binds calcium and magnesium ions, the ________.
A) acrosomal reaction would be blocked
B) fusion of sperm and egg nuclei would be blocked
C) fast block to polyspermy would not occur
D) fertilization envelope would not be formed

Question

Quizplus · Accepted Answer

Calcium ions are crucial for the formation of the fertilization envelope, which is part of the slow block to polyspermy. Binding calcium ions would prevent this process.

In an Egg Cell Treated with a Chemical That Binds