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Home Q & A Board Biology-Related Homework Help Cell Biology
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barry barry
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10 years ago
Precursor CTLs are characterized by each of the following EXCEPT:

A.   they do not divide.
B.   they do not express high affinity for CD25.
C.   they express CD4.
D.   they lack cytotoxic activity.
E.   they produce low amounts of IL-2.
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padrepadre
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10 years ago
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barry Author
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#2
10 years ago
Thanks.
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#3
10 years ago
thanks for these information
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