The plasma membrane primarily consists of: lipids, proteins and carbohydrates.
The answer is 'C' because this is the only answer mentioning a hypothesis, and the whole point of the scientific method is to test a hypothesis.
I think it is D.) all of the above
Plato answer:
Stimulation of a neuron causes a change in the charge inside the cell from negative to positive. This change is caused by ions, which are atoms with an electrical charge, moving across the cell. This change within the cell is consistent with the definition of an electric charge.
