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Questions and Answers
Which of the following molecules acts as an opsonin?
Which of the following molecules acts as an opsonin?
- C3a
- Mannose binding lectin (correct)
- C-reactive protein
- Toll receptors
What is the primary function of Toll receptors?
What is the primary function of Toll receptors?
- Bind complement-opsonized ligands efficiently
- Allow sentinel cells to recognize and respond to microbial components (correct)
- Localized to endosomes
- Phagocytic receptors with no signaling role
Where are the TLRs localized that recognize LPS, peptidoglycan, and flagella?
Where are the TLRs localized that recognize LPS, peptidoglycan, and flagella?
- In the cytoplasm
- On the plasma membrane
- In endosomes (correct)
- Secreted into the extracellular space
Which statement about Mannose binding lectin is true?
Which statement about Mannose binding lectin is true?
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What is a key function of macrophages in the immune response?
What is a key function of macrophages in the immune response?
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Which of the following is a characteristic of C3b?
Which of the following is a characteristic of C3b?
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