Which one of the following statements about the immune system is true ? Plasma c
ID: 227232 • Letter: W
Question
Which one of the following statements about the immune system is true?
Plasma cells secrete IgM molecules early, and then IgD molecules later.
The major histocompatibility complex codes for a large group of cell surface glycoproteins.
Helper T-cells bind to type I MHC proteins and cytotoxic T-cells bind to type II MHC proteins.
Recombination of genes to produce functional B-cell receptors occurs immediately after exposure to antigen.
Interferons specifically protect body cells against attack by parasites.
a.Plasma cells secrete IgM molecules early, and then IgD molecules later.
b.The major histocompatibility complex codes for a large group of cell surface glycoproteins.
c.Helper T-cells bind to type I MHC proteins and cytotoxic T-cells bind to type II MHC proteins.
d.Recombination of genes to produce functional B-cell receptors occurs immediately after exposure to antigen.
e.Interferons specifically protect body cells against attack by parasites.
Explanation / Answer
Correct answers would be :The major histocompatibility complex codes for a large group of cell surface glycoproteins.
Reason:Major histocompatibility complex (MHC) refer to group of genes that encode for proteins which are usually found on the surfaces of cells and it helps the immune system to recognize different foreign substances.
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