When lava first breaks through the surface of the Earth, it is an extremely hot liquid. On average, fresh lava can be between 1,300Â° F and 2,200Â° F! Depending on its exact temperature, fresh lava usually glows either orange/red (cooler) or white (hotter). Eventually, lava cools and returns to solid rock again.
Eutrophication is the process of increase of plant nutrients in water with the consequent. increase in the growth of algae and higher plants. This process is facilitated by external. and internal (such as nitrogen fixation) sources of nutrients. Input of nutrients may be. from point or diffuse sources.
Excess BAFF also leads to overproduction of anti-dsDNA antibodies and a lupus-like syndrome in mice. In the present study, we use mice transgenic for the R4A-CÎ¼ (IgM) heavy chain of an anti-dsDNA antibody, to study the effects of BAFF overexpression on anti-dsDNA B-cell regulation.he number of R4A-CÎ¼, Tg anti-dsDNA B cells is increased in the MZ and FO of R4A-CÎ¼/BAFF +/+ mice. Splenic B cells from R4A-CÎ¼ and R4A-CÎ¼/BAFF +/+ mice were immunostained with antibodies to B220, CD21, and CD23 and sorted to obtain MZ (B220 + CD21 hi CD23 lo) and FO (B220 + CD21 int CD23 hi) B cells.