Fractionation of carbon isotopes in oxygenic photosynthesis values more similar to C3 plants. In contrast to terrestrial plants, where CO diffusion in air is relatively fast and typically not limiting, diffusion of dissolved CO in water is considerably slower and can often limit carbon fixation in phytoplankton. As gaseous CO is dissolved into aqueous CO, it is fractionated by both kinetic and equilibrium effects that are temperature-dependent. Relative to plants, the dissolved CO source for phytoplankton can be enriched in C by about 8‰ from atmospheric CO. Isotope fractionation of C by phytoplankton photosynthesis is affected by the diffusion of extracellular aqueous CO into the cell, the
What You Need from Me What You Need from Me "What You Need From Me" is a duet recorded by Welsh singer Bonnie Tyler and American singer-songwriter Vince Gill, taken from Tyler's sixteenth studio album and the 4th track of the album, "Rocks and Honey" (2013). The song was composed by American country singer-songwriters Jon Randall and Jessi Alexander and presented to Bonnie Tyler and her manager when they visited Nashville in 2011 searching for new material from music publishers. After hearing a demo of the song, Tyler said that she would prefer to sing the song as a duet, and approached Vince Gill to