Some Pattern Recognition Receptors (PRRs) Recognize Nucleic Acids, Like RNA

question 26

Multiple Choice

Some Pattern Recognition Receptors (PRRs) recognize nucleic acids, like RNA or DNA. Since our own cells contain human RNA and DNA, the activation of innate immune pathways by these PRRs must rely on additional criteria to discriminate self from nonself. Additional criteria include everything EXCEPT:

• A) The subcellular location of the RNA
• B) The presence of adenosine residues in viral RNA
• C) The methylation state of the DNA
• D) Unique structures found on viral RNA
• E) The subcellular location of the DNA

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