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。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
What is biotechnologymostly involves work with
Modern applications of biotechnology work most often through genetic engineering, which is also known as recombinant DNA technology. Genetic engineering works by modifying or interacting with the genetic cell structures. Every cell in an animal or plant contains genes that produce proteins. It's those...
What is Biotechnology?․ 利用生物細胞和生物分子如: DNA, 蛋白質(protein), 醣類(carbohy-drates), 脂質(lipids)等, 為基礎的工業製成科技稱: 生物科技。 其產品如: 清潔劑(detergent), 人類胰島素(insulin)和家用懷孕(pregnancy) 和其他醫事檢查用組套(medical diagnostic kits)等的產品。遠在數...
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...
A. Scissors B. Restriction enzymes C. Pencils D. Rulers 相关知识点: 试题来源: 解析 B。本题考查生物技术中的工具。Restriction enzymes(限制酶)是用于在特定位置切割 DNA 的工具。Scissors(剪刀)、Pencils(铅笔)和 Rulers(尺子)都不能用于切割 DNA。反馈 收藏 ...
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 ...
The role of biotechnology in society is ever-changing. It has the potential to change our lives for the better depending on how it is used and...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can ...
Disclosing biology teachers’ beliefs about biotechnology and biotechnology education Aiming to understand the extent to which teachers' scarce engagement in biotechnology teaching is influenced by their beliefs and/or by extrinsic constraints,... Maria Jo?o Fonseca,P Costa,L Lencastre,... - 《Teachin...