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The pathogen-associated molecular patterns on the surface of pathogens bind to _____ on the surface of innate immune system cells.

1) Pathogen recognition receptors
2) Danger-associated molecular patterns
3) Immunoglobulins

Answer :

The correct option is 1) pathogen recognition receptors. The pathogen-associated molecular patterns bind to pattern-recognition receptors (PRRs) on the surface of innate immune system cells, which play a crucial role in the body's defenses by triggering immune responses against pathogens.

The pathogen-associated molecular patterns on the surface of pathogens bind to pattern-recognition receptors (PRRs) on the surface of innate immune system cells. These pattern-recognition receptors are specifically predisposed to bind with molecular structures frequently found on pathogens, enabling the innate immune system to promptly recognize and respond to a wide array of microbial invaders.

Pattern-recognition receptors include a wide range of proteins, among which toll-like receptors (TLRs) are significant examples. These receptors play a crucial role in the defensive measures enacted by our innate immunity. The binding of PAMPs to PRRs activates immune cells like macrophages and dendritic cells, resulting in the initiation of immune responses designed to eliminate the invading pathogen.

Recognition of pathogen-associated molecular patterns is an essential aspect of the innate immunity's ability to detect and respond to infections. This rapid detection allows for an immediate response, which involves various immune processes including phagocytosis, inflammation, and the activation of the complement system. The correct option is 1) pathogen recognition receptors.

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