Urgent which event during fertilization leads to the acrosome reaction? a. the release of the sperm in the vagina b. the binding of the sperm to the zona pellucida c. the entry of sperm nucleus inside the egg plasma membrane

Animal bodies (and even plant bodies for that matter) are complex enough that life couldn't exist without enzymes. enzymes are usually large, complex biological catalysts that are expensive to make. enzymes speed up the rate of chemical reactions without being used up during the reaction (they can be reused many times). they are highly specific in the reactions they regulate. knowing what enzymes are and how they function, why does this explain why complex life forms could not exist if there were no enzymes.

Which hormone is used by both males and female?

Brian made this table to organize his notes on changes of state change of state energy change melting gain freezing lose deposition gain condensation lose