The predominant antibody of a typical primary immune response is IgM. Thus, option (b) is correct.
What is an antibody?
The protein the immune system of the body makes when it recognizes dangerous chemicals, known as antigens, is referred to as an antibody. These undesirable chemicals are removed from the human body by antibodies that bind to them.
The immune response is first challenged and for some non-peptide antigens, the term IgM is the predominant antibody. On successive interactions with the antigen, IgM may be the only isotype of antibody released.
As a result, the predominant antibody was the response of IgM.
Learn more about antibody, here;
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Your question is incomplete, but most probably the full question was.
In 1663, king Louis XIV declared New France a royal colony.
Well, I can't give you a paragraph, but here goes: If the Silk Road had never had never developed, then China wouldn't have been able to trade, travel, or communicate with other places/people. If China was totally isolated, then many things that they made would never have been made, such as gunpowder and china (plates). And if China hadn't made those things, then we would never had used them either. For example, without gunpowder, we might have not won certain wars. (Alright, I think that should get you started).
