In biotechnology, what is the term used to describe the process of transferring genes from one organism to another? A. Gene transfer B. Gene mutation C. Gene duplication D. Gene deletion 相关知识点: 试题来源: 解析 A。本题考查生物技术中的术语。Gene transfer(基因转移)是描述将基因从一个生物...
什么是生物技术(Whatisbiotechnology) 生物技术是什么 生物技术最简单地定义为利用生物及其产品生产食物、饮料、药品或 其他对人类或其他动物物种有益的艺术。从技术上讲,人类自从发现 农业以来,就一直在利用生物技术,种植种子来控制植物生长和作物 生产。动物育种也是生物技术的一种形式。最近,植物异花授粉和动 物杂交是...
In the field of biotechnology, what is DNA? A. A type of protein B. A molecule that contains genetic information C. A kind of virus D. A chemical compound 相关知识点: 试题来源: 解析 B。DNA 是一种包含遗传信息的分子。选项 A 蛋白质错误;选项 C 病毒错误;选项 D 化合物不准确。
解析 C。本题考查生物技术在环境保护中的意义。Biotechnology in environmental protection(生物技术在环境保护中)的意义在于开发清洁技术。To increase pollution(增加污染)、To destroy natural habitats(破坏自然栖息地)和 To waste resources(浪费资源)都不是其意义。
C。解析:文章最后提到“Despite these concerns, biotechnology has the potential to revolutionize the agricultural industry and help meet the growing demand for food in the world.”,即生物技术有潜力彻底改变农业产业。A 选项破坏农业产业错误;B 选项对食品生产没有影响不符合;D 选项使农业更加困难也不对。反...
解析 C。原因:“Despite the many benefits of biotechnology, there are also challenges. One of the main challenges is ensuring the safety and ethical use of these technologies.”说明生物技术的一个挑战是确保其安全和合乎道德的使用。反馈 收藏
In biotechnology research, what is a common tool used to study genes? A. Microscope B. Petri dish C. Gene sequencer D. Beaker 相关知识点: 试题来源: 解析 C。在生物技术研究中,基因测序仪是一种用于研究基因的常用工具。显微镜、培养皿和烧杯不是主要用于研究基因的工具。
In biotechnology, cloning is a controversial topic. What is one of the potential benefits of cloning? A. Creating identical copies of endangered species B. Decreasing biodiversity C. Causing genetic mutations D. Increasing the spread of diseases 相关知识点: ...
What is one of the benefits of biotechnology? A. Making furniture B. Protecting the environment C. Playing sports D. Reading books 相关知识点: 试题来源: 解析 B。解析:选项 A 制作家具不是生物技术的好处;选项 C 做运动与生物技术无关;选项 D 读书也不是生物技术的益处;选项 B 生物技术的好处...
What is biotechnologymostly involves work with