Prove that for every positive integer n.1?2 + 2?3 + ??? + n(n + 1) = n(n + l)( n + 2)/3.
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Principles of Biology week 6 Notes Lesson 9: communication via neurons Neural Communication How does this information travel Sensory Neuron o Interneurons Motor Neurons Sufficient Excitation o Disrupt resting potential Threshold potential exceeded Electrochemical signal o Cellular communication Potentials – Electrical differences - Resting Potential o Average -70mV + outside – Inside - Threshold potential o Average -55mV Must be exceeded - Action Potential o All or none Refractory period= no action potential Resting Potential Maintenance Na+, K+, pumps
Textbook: Discrete Mathematics and Its Applications
Author: Kenneth Rosen
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