Which of the Following Statements Regarding Immunoglobulins Is Correct

question 64

Multiple Choice

Which of the following statements regarding immunoglobulins is correct?

• A)Immunoglobulins make up five classes (or isotypes)called IgA,IgD,IgE,IgG,and IgM.
• B)Regardless of their isotype,immunoglobulins all have the same effector function.
• C)Antibodies consist of four identical heavy chains and four identical light chains.
• D)Peptide bonds hold the heavy and light chains together.
• E)The constant regions make up the antigen-binding site.

Conceptualize the mechanism of action for key organic reagents (e.g., Grignard reagents, LiAlH4).

Explain the criteria for choosing suitable substrates for Grignard reagent formation.

Predict the outcomes of reactions involving the reduction of ketones and aldehydes.

Develop synthetic routes for the preparation of complex molecules from simpler precursors.

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Definitions:

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The difference between the domestic money invested abroad and the foreign investment within a country over a specific period, indicating the flow of capital across borders.

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The value of a country's exports minus its imports, which is a component of a country's gross domestic product.