题目内容

Bioreactors play a central role in biotechnological processes by providing a link between the starting materials or substrates and final products.

A. 基质
B. 底层
C. 基片
D. 底物

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Chemical bonding to the DNA of a carrier molecule and the introduction of the hybrid DNA into a selected cell for reproduction and celluar synthesis.

A. 携带者
B. 载体
C. 运送者
D. 带菌者

Major advances have been made in bioreactor designs, in process monitoring techniques and in computer control of fermentation processes.

A. 监控
B. 监视
C. 检测
D. 监督

developmental phase ______________。

non-sterile _____________。

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