All of the following contribute to a pathogen's invasiveness except Toxins. Option D.
These proteins contribute to pathogen virulence by forming and breaking down fibrin clots, degrading binding proteins, fighting certain types of antibodies, and more. Mucosal surfaces are a major entry point for microorganisms. These include respiratory gastrointestinal and genitourinary mucosa.
The innate immune response is less specific to a particular pathogen than the adaptive immune response. They rely on rapidly activated groups of proteins and phagocytic cells to recognize the conserved properties of pathogens and destroy invaders. Virulence factors are molecules that help bacteria colonize the host at the cellular level.
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