Which Is an Example of Cooperativity? Select All That Apply

Multiple Choice

Which is an example of cooperativity? Select all that apply.

A) Input neurons A and B fire a burst of action potentials simultaneously.
B) Output neurons I and II fire a burst of action potentials simultaneously.
C) Input neurons A and B fire a burst of action potentials at the same time that output neurons I and II fire a burst of action potentials.
D) Input neurons A and B fire a burst of action potentials at the same time that output neurons I and II are depolarized.
E) Input neuron C fires a burst of action potentials at the same time that output neuron II is active.