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AIRE (autoimmune regulator), a nuclear protein expressed by thymic epithelial cells, allows exposure of maturing T cells to specific antigens normally expressed in different tissues/organs. What do you think would be the consequences of a functionally defective AIRE protein?

Which of the following is a key feature of B and T cell responses?

Notch and IL-7 are respectively the key transcription factor and cytokine for commitment of T cell lineage.

All of the following is true about Natural Killer (NK) cells EXCEPT

A patient checks into the OSU Wexner ER with respiratory distress. The patient is admitted and pharyngeal swab test reveals that the patient is suffering from COVID-19 an infection caused by the RNA virus SARS-CoV-2. Which of the following are critical for innate host defense against COVID-19?

Which of the following is a primary lymphoid organ:

Block grants were favored by the New Federalism by what president?

A substance that acts as a reservoir for H+ ions, opposing any increase or decrease in concentration, is a buffer.

Which function of government stated in the Preamble is consistent with the notion of having government-provided police protection?

__________ make an act punishable as a crime even if the act was legal when it was committed. These are prohibited by Article I of the Constitution.