1. Describe the path followed by water from the soil, throughthe plant and into the atmosphere. Where in the path are theimportant resistances to water movement?
2. What is meant by the term \"active transport\"? What is thedifference between \"primary\" and \"secondary\" active transport?
3. Both membrane channels and carriers show changes in proteinconformation. What is the role of such conformation changes (a) inchannels, and (b) in carriers?
