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第一章 单元测试
1、 The biotechnology that can effectively break the boundaries of species, directionally transform the genetic traits of organisms, and breed new and excellent varieties is ( ). ( )
A:Hybrid breeding technology
B:Genetic engineering technology
C:Mutagenesis breeding technology
D:Tissue culture technology
答案: Genetic engineering technology
2、 The genome represents a cell or organism ( ). ( )
A:Transcribable genes
B:Non-transcribed genes
C:Part of genetic information
D:Complete set of genetic information
答案: Complete set of genetic information
3、 Plant cell engineering includes ( ). ( )
A:Cell Fusion Technology
B:Cell preservation technology
C:Genetic modification
D:Plant tissue culture
答案: Cell preservation technology
,Genetic modification
,Plant tissue culture
4、 Microbial cell engineering is mainly used to produce valuable target products, including vaccines and better disease diagnosis tools. （ ）
A:对
B:错
答案: 对
5、 Vitamin A deficiency can lead to night blindness, which gradually evolves into dry eye, corneal softening and complete blindness in the later stage, but it will not lead to an increase in adverse conditions during pregnancy and lactation. （ ）
A:错
B:对
答案: 错
第二章 单元测试
1、 ( ) is the most commonly used monosaccharide and the main energy source. ( )
A:Glucose
B:Maltose
C:Lactose
D:Fructose
答案: Glucose
2、 Adherent cells need to be passaged via ( ). ( )
A:Centrifugation
B:Enzymatic digestion method
C:Mechanical separation method
D:Freezing preservation method
答案: Enzymatic digestion method
3、 US federal law requires researchers to follow ( ) principles in animal experiments. ( )
A:Reduction
B:Repeat
C:Refinement
D:Replacement
答案: Reduction
,Refinement
,Replacement
4、 Cell experiments can replace animal experiments. （ ）
A:错
B:对
答案: 错
5、 Suspension cells need to attach to a surface in the early stage of cell culture. （ ）
A:对
B:错
答案: 错
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