Pepsin is found in the stomach, and breaks down long-chain proteins into shorter amino acids, whilst lipase is secreted into the duodenum by the pancreas to break down fats into their constituent...
In zener breakdown, electrons from the p-doped region cross the depletion region through tunneling. This happens in a controlled fashion at a well-established reverse-bias voltage.In avalanche...
Tell him you're really happy that you too are "just friends". If I were him, I would probably feel terrible and have no confidence in myself to attract women at all. LOL