Describe antigen presentation
What will be an ideal response?
Antigen presentation occurs when an antigen-glycoprotein, or antigen-MHC protein, combination capable of activating T cells appears in a plasma membrane. T cells sensitive to this antigen are activated if they contact the antigen on the plasma membrane of the antigen-presenting cell.
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The thymus gland begins to atrophy immediately after birth
Indicate whether this statement is true or false.
The origin of the term "anatomy" is related to
A) the Greek word for "function." B) the name of the first anatomist. C) the function of internal organs. D) the Greek word for "cutting up."
H+ secretion is coupled to bicarbonate reabsorption
Indicate whether the statement is true or false
At which stage of labor is the afterbirth delivered?
A) None of the listed responses is correct. B) expulsion stage C) dilation stage D) placental stage