BCR识别抗原的特点是A．受MHC工类分子的限制 B．仅识别抗原的线_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

BCR识别抗原的特点是

A．受MHC工类分子的限制

B．仅识别抗原的线性决定基

C．受MHCⅡ类分子的限制

D．直接捕获外源性抗原

E．受MHC样分子的限制

答案

参考答案：D

选择题

—Oh, it's so cold. We haven't had such a severe winter for so long, _______ we？

—Yes, the forecast says it's going to get worse _______ it warms up.

A．have; before

B．had; after

C．did; when

D．do; if

名词解释

种群