一、名词解释(每题2分,共20分) 1. overlapping epitope 4. MHC restriction 7.gene rearrangement 2. membrane cofactor protein, MCP 5.selectin 8. autocrine 3. killer cell inhibitory receptor, KIR 6. co-stimulating molecular.ITAM 10.CD 二、填空题(每空1分,共20分) 1.g基因重排时的接合多样性包括密码子错位,框架移位突变,N端序列插入 2前BCR传递信号的作用包括