What eases the entry of the sperm nucleus through the plasma membrane into the ovum?
a) activation of ovum
b) cortical reaction
c) acrosome reaction

How did the club fungi get its name? a. it is named for the club-shaped seeds it produces. b. it is named for the way individual species grow together in small groups called “clubs.” c. it is named for the club-shaped area where it produces spores. d. it is named for the club-like mechanism it uses to kill its prey.