Compare and contrast graded potentials and action potentials. This should include all ion movement that causes membrane potential changes, the direction of movement, the all or nothing nature (what does this mean) for action potentials, and how are the channels activated and why to those channels close.

Derek is working on a thesis on the changes in social behavior in the context of finding partners. an important part of his study concerns the various practices followed by males and females over the course of generations and how they have gradually transformed into our current social norms. derek can be called a(n) psychologist. (tb75)\

What would happen to the tides if there was no moon and no sun in the sky?

Functionalism was a school of psychology that focused attention on the