To cross the synapse requires the actions of found at the tips of axons.

1.cell bodies
2.dendrites
3.neurotransmitters
4.none of the above

The many volcanoes located along the edge of the pacific ocean make up the ring of fire. how does subduction play a role in the volcanic activity in the ring of fire?

Nasa scientists must work together to make sure that everything is correct and accounted for when launching a shuttle. besides a physicist, what other type of scientist would be in making sure that the shuttle has the appropriate type and amount of fuel to reach its destination?

Why has two different alleles for the same trait?