Which one of the following statements about the immune system is true? A. Recombination of genes to produce functional B-cell receptors occurs immediately after exposure to antigen. B. Helper T-cells bind to type I MHC proteins and cytotoxic T-cells bind to type II MHC proteins. C. The major histocompatibility complex codes for a large group of cell surface glycoproteins. D. Plasma cells secrete IgM molecules early, and then IgD molecules later. E. Interferons specifically protect body cells against attack by parasites.

The major histocompatibility complex (MHC) refers to a large group of cell surface glycoproteins, essential to the adaptive immune system. T cell receptors of the immune system expose antigens to specific MHC complexes, which leads to proliferation of T cells that have a key role in the adaptive immune system. The T cell receptors interact with the MHC class I and class II glycoproteins during this process.

rowboatontario rowboatontario · Answer 2 · 2022-04-08T16:30:10+02:00

MHC are important for the Immune system to be adaptive and make T cell responsive to the event. Hence option C is Correct.

Major Histocompatibility Complex

In short form known as MHC, they are the key components for Immune System to be responsive. They are consist of large group of glycoproteins.

In simple terms, they are useful in giving information to T cell receptors about where to attack and in how much quantity. Hence, the option C which says "The major histocompatibility complex codes for a large group of cell surface glycoproteins" is true.

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