Answer:
1. IgA refers to the class of antibody, which is witnessed in very large concentrations in mucus secretions.
2. IgD refers to the class of antibody, which is not discharged by B cells, however, is expressed in the naive B cells' surface.
3. IgE refers to the class of antibody, which takes part in the defense against the infections caused by parasites, and also takes part in allergic reactions.
4. IgG refers to the class of antibody that can pass through the placenta.
5. IgM refers to the class of antibody that is the first to appear post-stimulation of B cells.
A. eukaryotes can be unicellular or multicellular
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below are the choices:
<span>to sue the government in cases of unjust laws
</span>
<span> to persuade legislators to share the scientists' views on issues
</span>
<span>to make honest, ethical presentations of data
</span>
<span> to represent the interests of the business community
</span>
The answer is <span>to make honest, ethical presentations of data</span>