Problem:
Question 1: Describe the nitric oxide signal pathway in detail. Include upstream to when and where NO is generated and why to downstream where Viagra would have its effects. Include potential nitro glycerine complications.
Question 2: If you could expose plants to just wavelength of light at a time would a wavelenght of 300 nm 450 nm or 600 nm produce the highest photosynthetic rate.
Include source of information for best answer.