1 / 7
基因改造食品
70 likes | 294 Views
基因改造食品. 許硯博. 基因改造食物 是甚麼 ?. 基因改造就是把基因片斷從生物中分離出來,然後植入另一種生物體內的技術。含有通過基因改造技術製造出來的新品種生物的食物就是基因改造食物。. 有那些東西是基因改造的 ??. 耐寒番茄. 北極魚體內的某個基因有防凍作用,科學家將它抽出,植入番茄裡,於是就製造出新品種的耐寒番茄。這種番茄以及含有這種番茄成分的番茄醬則是基因改造食物。. 香蕉. 現在的香蕉都是基因改造過了,讓它們沒有籽,而且原生種都已經絕種了。. 好處. 壞處. 化學的東西太多,對身體不好。. 使食物更加美味、成熟的更快速。. 我的立場.
Download Presentation
基因改造食品
An Image/Link below is provided (as is) to download presentation
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.
Content is provided to you AS IS for your information and personal use only.
Download presentation by click this link.
While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
During download, if you can't get a presentation, the file might be deleted by the publisher.
E N D
Presentation Transcript
More Related