<em>The answer Is B.) It would have a shorter Stem</em>
Answer:
Immigrants may be defined as the individuals that comes from some other country but are the permanent resident of some other country. The individual might move for the jobs and education.
The immigrants might flock to the urban neighborhood and can settle on the basis of the their ethnicity. These neighborhood provide jobs to the immigrants and they had poor working conditions. The immigrants were underpaid. The mutual aid societies are formed in which immigrants pay dues and and the society pay for their elevation. The Americans and immigrants suffers from the pollution, crime and overpopulation.
The answer is IgA.
IgA is the immunoglobulin that consists of a dimer or a tetramer, a J-chain polypeptide, and a polypeptide chain called the secretory component. IgA is the principal antibody class in the secretions that bathe the mucosal surfaces, acts as an important first line of defense. It is also an important serum immunoglobulin, mediates a variety of protective functions through interaction with specific receptors and immune mediators.
Answer: D. NH3
Explanation:
The dissimilatory nitrate reduction is a process which is conducted by the anaerobic bacteria. In this process the nitrate is to reduce to the ammonia. This process is conducted by the bacteria or chemoorganoheterotrophic microbes. These organisms use nitrate as an electron acceptor for the respiration. These organisms organisms oxidize the organic matter and utilize the nitrate as an electron acceptor. The nitrate is further reduced to nitrite and then to ammonia. The ammonia can be found in the cells of these organisms.
