Once a Bacterium Attaches and Enters a Host Cell Within

question 16

Multiple Choice

Once a bacterium attaches and enters a host cell within a phagosome,the pathogen has one of three fates,depending on the pathogen.According to the figure below,Shigella and Listeria utilize which mechanism to avoid being destroyed by the host cell?

• A) survive inside the phagosome
• B) escape from the phagosome
• C) prevent phagosome-lysosome fusion
• D) induce apoptosis

---

Definitions:

Self-monitors

Individuals who regulate their behavior to accommodate social situations.

Covert Positive Reinforcement

The use of positive stimuli to increase the likelihood of a desired behavior occurring, without the individual being explicitly aware of it.

Imagines

Forms a mental image or concept of something that is not present or has not yet happened.

Target Response

A specific reaction or behavior that is sought after in a particular situation or as a result of a treatment or intervention.