The process by which eggs are made is called Fertilization, when the egg cell meets the sperm cell and form a zygote.
Answer:
D. disease specific antibodies
Explanation:
In order for an impulse to cross the synaptic gap between
the neurons, the impulse must be converted into a chemical signal as this will
allow it to exert effects and to be able to travel in distances such as having
to cross the synaptic gap between the neurons.