Microinjection is a simple mechanical process usually involving an inverted microscope with a magnification power of around 200x (though sometimes it is performed using a dissecting stereo microscope at 40–50x or a traditional compound upright microscope at similar power to an inverted model).
        
             
        
        
        
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C. Most plants use single nitrogen atoms, not N2 molecules.
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Photosystem I, however, does not act as a proton pump; instead, it uses these high-energy electrons to reduce NADP+ to NADPH. The reaction center chlorophyll of photosystem I transfers its excited electrons through a series of carriers to ferrodoxin, a small protein on the stromal side of the thylakoid membrane.
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Nevirapine can cause serious, life-threatening side effects. These include severe liver problems, skin rash, and skin reactions. Liver and skin problems can happen at any time during treatment with nevirapine.
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