Quiz & Worksheet Goals Take the quiz to assess your knowledge of: A process controlled directly by interaction of organelles How organisms keep each other in homeostasis An example of how cells work together to control the process of movement ...
The nerve impulse The information is transmitted by polarity changes in the membranes of cells due to the presence of neurotransmitters that alter the ionic concentration inside the cell. Moreover‚ inside the neuron proteins and ions are negatively charged . This difference in ion concentration als...