Microbes of different classes (viruses, bacteria,...) express different PAMPs, which are detected by ________.
1) Toll-like receptors (TLRs)
2) Nucleotide-binding oligomerization domain (NOD)-like receptors (NLRs)
3) RIG-I-like receptors (RLRs)
4) C-type lectin receptors (CLRs)
