Edexcel IGCSE Biology 復(fù)習(xí)筆記 5.4.2 Cloning Mammals Cloning Mammals Embryo cloning It is possible to clone animals using?embryo transplants For example, if a farmer wants the best cattle, they mus...
Hello各位小伙伴，一轉(zhuǎn)眼已經(jīng)到7月中旬了，除了歡度暑期，我們還有一件重要的事就是等成績。有同學(xué)后臺留言問，IGCSE成績能網(wǎng)上查詢嗎？小助手給你答案，可以，但也要看考試局。 CIE IGCSE放榜時(shí)間：2022年8月18...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 5.4.1 Micropropagation Micropropagation Tissue culture is a process in which very small ('micro') pieces of plants (‘tissue’) are grown (‘cultured’) using nutr...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 5.3.3 Genetic Engineering: Crops Genetic Engineering: Crops Genetically modified plants are?plants that have had foreign DNA inserted into their genome This is...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 5.3.2 Genetic Engineering: Insulin Manufacturing Insulin The gene for?human insulin?can be inserted into?bacteria?which then produce human insulin which can be...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 5.3.1 The Process of Genetic Engineering The Process of Genetic Engineering The gene that is to be inserted is located in the original organism Restriction enz...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 5.2.1 Selective Breeding Selective Breeding in Animals Selective breeding or artificial selection means to?select individuals with desirable characteristics an...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 5.1.6 Fish Farming Fish Farming Benefits of fish farming Most fish are still caught in the wild (i.e. in the open ocean or in freshwater rivers and lakes) However,?ov...
Edexcel IGCSE Biology 復(fù)習(xí)筆記 5.1.5 Bacteria in Food Production Bacteria in Food Production Microorganisms?can be used by humans to produce foods and other useful substances As well as fung...
