在大肠杆菌中,刚合成的肽链(尚末加工处理),其N-端必为fMet。
参考答案:对
— Can you stay here longer?
— , but my father is waiting for me at home. [ ]
A.No problem
B.I'm afraid not
C.I'd love to
虽然豆芽所含维生素C比原干豆多,但豆瓣不易消化,影响对蛋白质的吸收。( )