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barry barry
wrote...
Posts: 11630
10 years ago
Upon entering the thymus, thymocytes are classified as double __________ with regard to coreceptor; before exiting as single-positive, naïve T cells, they pass through a period in which they are double ________.

A.   positive; negative
B.   negative; positive
C.   Both of these are true.
D.   Neither of these are true.
E.   Coreceptor expression state does not change in the thymus.
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justinasdfjustinasdf
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Posts: 2
Rep: 0 0
10 years ago
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barry Author
wrote...
10 years ago
Thanks.
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