Which ion channel is responsible for the rising phase of the action potential, and why?

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

What is the difference between hypothesis, theories, laws, and observations?

Bob, a nutritionist who works for the university medical center, has been asked to prepare special diets for two patients, susan and tom. bob has decided that susan's meals should contain at least 320 mg of calcium, 17 mg of iron, and 42 mg of vitamin c, whereas tom's meals should contain at least 280 mg of calcium, 13 mg of iron, and 34 mg of vitamin c. bob has also decided that the meals are to be prepared from three basic food