A possible limitation of this method, however, is that the single-cell bottleneck might allow incidental fixation of growth-defective mutants relative to ancestors by genetic drift.
But there can be no mistaking the critical role played by America's fixation on growth for the sake of growth a mindset that ultimately became prescriptive and came to rely on asset and credit bubbles to sustain a false prosperity.
Our national fixation on growth papers over a lot of shameful insecurity.
Who is responsible for this collective fixation on growth?
Fundamentally, it seems irrational to leave an agreement that's working today out of a fixation on potential growth of Iran's nuclear program more than a decade from now, when such growth could happen tomorrow if we unravel the agreement.
Whereas, elevated CO2 concentration increased the efficiency of photosynthetic carbon fixation and growth of phytoplankton was gradually known as general phenomenon [ 8, 9].
Table 2 summarizes data extracted from four publications on N fixation and growth of four different N-fixing species.
However, they also introduce significant computational challenges, with the main barriers being the effects of growth conditions, fixations and inherent complexities in segmentation that need to be resolved in the 3D volume.
Their photosynthetic apparatus is also more efficient at light harvesting than land plants, which gives them a distinct advantage in terms of growth and carbon fixation.
In the middle period of growth (days 31 61), fixation rates doubled for CO2 at 450 ppm compared to 270 ppm, doubled again at 1000 ppm and increased a further 50% at 2000 ppm.
As shown in Figures 4 and 5, the rates of growth and CO2 fixation increased significantly as the light intensity increased from 150 to 300 μmol m−2 s−1.
