answers
1. 10 000
2. sweet, umami, sour, bitter, salty 3. chorda tympani nerve, vangus nerve, glosso-pharyngeal nerve 4. monosodium glutamate 5. sour 6. glutamate 7. the rate doubles 8. the cell becomes depolarized as positive ions enter into the cell, creating a positive charge on the inside of the membrane an a negative charge on the outside 9. G-protein, phospholipase C, diacylglycerol 10. its hydrogen ion |