Which of the Following Contributes to the Variability of the Immunoglobulins

question 2

Multiple Choice

Which of the following contributes to the variability of the immunoglobulins?

• A) A variety of different DNA sequences are physically attached together to generate a huge number of different antibody genes.
• B) The linking regions between these DNA sequences are also highly variable.
• C) The synthesis of mRNA in the antibody cells is very variable, producing many different proteins from one gene.
• D) There are several hundred to one thousand different genes for the variable part of the antibody sequence.
• E) All of these mechanisms contribute to the variety of antibodies in the immune system.

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