BIOL 1002 Chapter : Pressure Flow Theory
Document Summary
Pressure flow theory-based on a pressure difference between where this stuff is being produced/ and used. Companion cells- piling up lots of sugar in companion cells moving against the gradient- from the leaf into the c cell. Then diffuses into adjacent sieve tube elements- diffuse into the pipeline. When humidity is high evaporation is low and transpiration is low. Stomata are open in the daytime and open if carbon dioxide concentration in the leaf is low. Asexual reproduction making baby plants that are just like it- ex- spider plants.
