→ blueteeth:外國友人不要po英文啦 累....... 推140.112.212.224 03/04
→ cecece:真不想看不懂永泰po的，我英文還要再加油 推140.112.212.225 03/04
在我參考課本後建議加一句
pg 3
Clonal selection-
一種progenitor.........(到第三行）
會活化增生成大量的effector cell "that have identical progeny which is
antigen specific"以禦外敵。
because the concept of clonal selection lies on producing antigen specific
lymphocytes that have the same genetic make up as parental cells
(#3postulate of Postulates of the clonal selection hypothesis).
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