Which of the following indicators reflects the possibility of physical dependence?

Fusion of pronuclei occurs during _______.

a) sprematogenesis b) ovulation c) fertilization d) capacitation

In recent years, the number of deaths due to AIDS has begun to drop. What is the major reason for this drop in deaths?

a) development of drug combinations that retard HIV activity b) development of genetically-altered forms of HIV that can reduce its rate of reproduction in the body c) use of experimental treatments in which the blood is heated to kill HIV before it is returned to the body d) use of a combination of surgical interventions and dietary changes that lower the rate of HIV development