This cycle is vital to all of Earth’s life forms- both directly and indirectly. Without it, life as we know it will cease to exist. Water is one of the primary natural elements, covering about ...

氨与来自三羧酸循环（tricarboxylic acid cycle, TCA）的α-酮戊二酸在NADPH-GDH的作用下发生胺化生成 ... flavefaciens FD-1[31]、Pseudomonas aeruginosa[32]、Prevotella ruminicola 23[33]等。 GS-GOGAT通路（图3）可实现谷氨酸和谷氨酰胺的相互转化。NH3和谷氨酸经GS催化后形成谷氨 ...

The 2025 Cape Town Cycle Tour, the world’s biggest timed bike race, will take place on Sunday, 9 March. This year’s edition will be the 47th. In addition to the ‘standard’ 109km race ...

Stem cell scientists from the University of Southern California (USC) and elsewhere have found a way to potentially clear out the buildup of tau protein in the brain, which is associated with the ...

Are you passionate about working towards a more equal and more sustainable world? By choosing the course package Global Studies you will gain an in-depth understanding of how planetary challenges ...

This manuscript reports a valuable new mechanism of regulation of the glutamine synthetase in the archaeon Methanosarcina mazei and clarifies the direct activation of glutamine synthetase activity by ...

Hubei Key Laboratory of Resources and Chemistry of Chinese Medicine, College of Pharmacy, Hubei Shizhen Laboratory, Hubei University of Chinese Medicine, Wuhan 430061, China Institute for Safflower ...

There’s a number of differences between the two liquid-cooled bikes (the R 1200 GS Wasser Boxer was tested in the May 2013 issue of Cycle Torque) which we will go into a bit later, but generally ...

BMW launched its new F 800 GS Adventure to journalists with a rock-music backed video showing the bike off as a performance all-rounder, with impressive dirt action and on-road speed, using a mix of ...