单项选择题

麦芽糖的糖苷键类型为（）
A、α-1,4糖苷键
B、β-1,4糖苷键
C、β-1,6糖苷键
D、α-1,6糖苷键

你可能感兴趣的试题

单项选择题

企业专线优势有7大类分别是：专网专用、入方式和带宽多样、超低时延、（）、平滑扩容不中断业务、超强保障

A、超快开通
B、超快链接
C、超大空间
D、超大速率

单项选择题

The crossover distortion in a class B amplifier is prevented by _______.

A．biasing the individual transistors deeply into cutoff
B．biasing the transistors just slightly above cutoff
C．biasing the transistors just slightly into cutoff
D．adjusting the load resistance so that the transistor will turn on and off faster