TLRs are
A. phagocyte receptors that detect PAMPs.
B. the coatings of pathogens by complement.
C. molecules that damage cells, resulting in cell lysis.
D. present in intact skin, sebum, tears, etc.
E. nonspecific leukocytes that secrete toxins onto the surface of virally infected cells.
Answer: A
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The number of protons in an atomic nucleus can also be described as the __________ of an atom.
a. atomic mass b. mass number c. isotope number d. atomic number
In patients who receive transplants, the recognition protein in the transplanted organ would be different than that of the recipient. What would this mean for the patient?
1.The patient would begin to recognize the new protein as self.
2.The patient’s immune system would attack and reject the new organ, requiring the patient to take immune suppressing medication.
3.The protein of the transplanted organ must be changed to match that of the patient.
4.The proteins on the surface of the cells from the transplanted organ will modify themselves to more closely resemble those of the patient, so the patient’s immune system wouldn’t reject it.
__________ hold neighboring cells together. Fill in the blank(s) with the appropriate word(s)
A nerve cell ________ involves a temporary depolarization and repolarization of the cell membrane
Fill in the blank with correct word.