Which of the following is NOT a mechanism used by extracellular pathogens to avoid the host immune system?

Toxins like Shiga toxin are known to disrupt __________ resulting in the death of host cells.

Organelles found in algae but not found in protozoa or fungi are the  

Match the following characteristics with Gram-positive or Gram-negative bacteria.  

One of the ways of virus to penetrate the cell membrane – entire virus penetrates and is enclosed in a vacuole is called

Campylobacter jejuni is challenging for isolation from foods due to    

The best sample collection method for a rough surface like meat would be 

According to the consumer report in 2013, the majority of raw chicken in the US market has   

The pathogen responsible for bacillary dysentery (severe, bloody diarrhea), widely associated with military operations and unsanitary conditions, is  

Which relationship is not true?