What would happen if you attempted to carry out the desaturation of stearoyl-CoA under anaerobic conditions

The effect of Fx on hepatic stearoyl-coenzyme A desaturase-1 (SCD1), a rate-limiting enzyme that catalyzes the biosynthesis of monounsaturated fatty acids from saturated fatty acids, has been studied in obese mouse models of hyperleptinemia (KK-A(y)) and leptin-deficiency (ob/ob). In KK-A(y) mice fed a diet containing 0.2% Fx for 2 weeks, SCD1 mRNA and protein expression were reduced in the liver with a concomitant decrease in serum leptin levels. In contrast, the suppressive effects of Fx on hepatic SCD1 and body weight gain were not observed in leptin-deficient ob/ob mice. These findings support the hypothesis that Fx down-regulates SCD1 expression and alters fatty acid composition of the liver through regulation of leptin signaling (Beppu et al., 2013).

Explanation: Hope that helps

cells use diffusion to get substances in and out of themselves. that diffusion will occur across the cell membrane or the outer covering of the cell. because we are talking about the surface of the cell, surface area and volume are  important factors here. as a cell increases in size, its surface area and volume increase as well.  we call that the surface area to volume ratio (sa: vol).  but the catch is that  volume increases at a greater rate than surface  area. in other words, as a cell gets bigger, the sa: vol gets smaller. so a really small cell like bacteria is mostly cell membrane (surface) with very little contents (volume). a really big cell like an egg, is mostly insides with a super thin membrane. so what ends up happening is that the cell cannot efficiently diffuse all of the stuff it needs in/out to survive. therefore cell size is limited to about 100mm. so how do we make organisms bigger than 100mm? cells divide! by dividing and becoming multicellular, organisms are able to grow!   check out the diagrams i attached to see the effect of sa: vol. i hope this ! good luck!

. the sierra madre fault zone of southern california

. the san andreas fault california