Questions: Adhesins are molecules on the surface of some microorganisms allowing them to bind to receptor sites on host cells before they infect them. This is considered a of a pathogen. Infection factor Gateway Virulence factor

Adhesins are molecules on the surface of some microorganisms allowing them to bind to receptor sites on host cells before they infect them. This is considered a of a pathogen. Infection factor Gateway Virulence factor
Transcript text: Question 14 (1 point) Saved Adhesins are molecules on the surface of some microorganisms allowing them to bind to receptor sites on host cells before they infect them. This is considered a $\qquad$ of a pathogen. Tool Infection factor Gateway Virulence factor
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Solution

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The answer is the fourth one: Virulence factor.

Explanation for each option:

  1. Tool: This is a generic term and does not specifically relate to the mechanisms by which pathogens cause disease. Adhesins are more specifically categorized as virulence factors.

  2. Infection factor: While this term might seem relevant, it is not commonly used in microbiology to describe the mechanisms that enhance a pathogen's ability to cause disease. The more precise term is "virulence factor."

  3. Gateway: This term does not accurately describe the role of adhesins. While adhesins do facilitate entry into host cells, "gateway" is not a term used in this context.

  4. Virulence factor: This is the correct term. Virulence factors are molecules produced by pathogens that contribute to the pathogenicity and facilitate the infection process. Adhesins are considered virulence factors because they enable microorganisms to attach to host cells, which is a critical step in establishing an infection.

In summary, adhesins are considered a virulence factor of a pathogen because they play a crucial role in the pathogen's ability to attach to and infect host cells.

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