All of the following are interactions between cell mediated immunity and innate immunity, except
A.
Macrophage of innate immunity present antigens to helper T cells.
B.
Cytokines secreted by helper T cells stimulate inflammation.
C.
Cytokines secreted by helper T cells stimulate phagocytosis.
D.
Macrophages of innate immunity present antigens to cytotoxic T cells.
D
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What is "allosteric modulation"?
A. The fact that all binding sites on a protein must be occupied to have a biological effect B. The ability of a single ligand-binding site to bind to molecularly similar ligands C. Regulation of physiological functions by the sympathetic division of the autonomic nervous system D. The change in the shape and functional state of a protein that occurs when a ligand binds to a regulatory site E. Modification of the functional state of a protein by temperature or pH
A person has a problem with blood flow from the the pulmonary veins. Which heart structure will be affected first by this blood-flow problem?
A) Left ventricle B) Right atrium C) Right ventricle D) Left atrium
A major difference between cardiac muscle cells and the cells in the cardiac conducting system is that the contractile cells do not undergo spontaneous depolarization
Indicate whether the statement is true or false.
The nuclear envelope is perforated with openings called nuclear ________________ that regular the movement of molecules through the envelope.
Fill in the blank(s) with the appropriate word(s).