Prerequisite: BIOL 1A; BIOL 1B and BIOL 1BL or BIOL 11; CHEM 1A or CHEM 3A; CHEM 3B or CHEM 8 or CHEM 128A; or permission of instructor General metabolism (photosynthesis, water relations, respiration, nutrient use, etc.) of plants and functional integration with structure.