B cells prepare for activation by presenting an antigen bound to Class II MHC proteins in a process called
A) sensitization.
B) apoptosis.
C) opsonization.
D) differentiation.
E) customization.
Answer: A
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An important difference between single -unit and multiunit smooth muscle is the
A) ability of single-unit fibers to change into multiunit fibers when advantageous. B) closely controlled individual fibers in single -unit smooth muscle to allow fine control and graded contractions by selective activation. C) longer actin and myosin filaments in multiunit smooth muscle, which allow coordination of contraction. D) numerous gap junctions in single-unit smooth muscle, which allow many cells to work together as a sheet.
How is carbon dioxide transported in blood?
What will be an ideal response?
A condition in which a portion of the viscera protrudes through a weakened point of the muscular wall of the abdominopelvic cavity is known as a hernia.
Answer the following statement true (T) or false (F)
Peripheral vascular disease is caused by blockage of the coronary arteries.?
Indicate whether the statement is true or false