### Answer

The co-receptors CD4 and CD8 are primarily involved in the immune response, specifically in T cell activation and differentiation. CD8 is known as a co-receptor for cytotoxic T cells, which are responsible for directly killing infected cells.

The name CD8 reflects its molecular structure, specifically the presence of an "8" in its name, which indicates the type and structure of the proteins that compose it. CD8 is a heterodimeric glycoprotein made up of an α (alpha) and a β (beta) chain, which is involved in helping T cells recognize and bind to MHC (Major Histocompatibility Complex) Class I molecules on target cells.

In summary, CD8 received its name not only to distinguish it from other co-receptors like CD4 (which interacts with MHC Class II molecules) but also to indicate its specific function and structural properties within the immune system.

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### Answer

The co-receptors CD4 and CD8 are primarily involved in the immune response, specifically in T cell activation and differentiation. CD8 is known as a co-receptor for cytotoxic T cells, which are responsible for directly killing infected cells.

The name CD8 reflects its molecular structure, specifically the presence of an "8" in its name, which indicates the type and structure of the proteins that compose it. CD8 is a heterodimeric glycoprotein made up of an α (alpha) and a β (beta) chain, which is involved in helping T cells recognize and bind to MHC (Major Histocompatibility Complex) Class I molecules on target cells.

In summary, CD8 received its name not only to distinguish it from other co-receptors like CD4 (which interacts with MHC Class II molecules) but also to indicate its specific function and structural properties within the immune system.

Knowee AI · Accepted Answer

### Answer

The co-receptors CD4 and CD8 are primarily involved in the immune response, specifically in T cell activation and differentiation. CD8 is known as a co-receptor for cytotoxic T cells, which are responsible for directly killing infected cells.

The name CD8 reflects its molecular structure, specifically the presence of an "8" in its name, which indicates the type and structure of the proteins that compose it. CD8 is a heterodimeric glycoprotein made up of an α (alpha) and a β (beta) chain, which is involved in helping T cells recognize and bind to MHC (Major Histocompatibility Complex) Class I molecules on target cells.

In summary, CD8 received its name not only to distinguish it from other co-receptors like CD4 (which interacts with MHC Class II molecules) but also to indicate its specific function and structural properties within the immune system.

Question 5Considerthe co-receptors CD4 and CD8. Theyreceived these names because CD8 _____.

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Question 5

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