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Restriction Digestion and Gel Electrophoresis of DNA
Tiching explorer Organización
- 5357 visitas
In sub-cloning biochemists take a gene from a genome and paste it into a plasmid for use in the lab. Restriction endonucleases are used to cut DNA at specific sequences. Electrophoresis is a process in…
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End-of-unit activities - Science and technology
EduBook Organización
- 2766 visitas
Progress in science and technology has improved our quality of life. New technologies have also led to the creation of computers and the Internet. Computers have become an essential part of most…
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Sound
Tiching explorer Organización
- 4995 visitas
This simulation lets us see sound waves. We can adjust the frequency and amplitude/volume and we can see and hear how the wave changes. Moving the listener around we can hear what she hears. We can…
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Computer Science Unplugged
Tiching explorer Organización
- 1 lo usan
- 3732 visitas
The resource consists of a book (PDF file) designed to help us learn how computers work. The book contains mathematically based activities (e.g. exploring binary numbers, mapping and graphs, patterns…
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The Customs of Lilliput
EduBook Organización
- 2603 visitas
One day I will write a big book about the kingdom of Lilliput. I will describe how the people live and their habits. I will not describe it all here, but I do want to say something about this…
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Raising cows and producing milk - Work
EduBook Organización
- 2709 visitas
Cows Cows are vertebrates. Their body is covered in fur and they have a large udder, which produces milk. Cows' legs end in two toes. These are covered by a thick nail, called a hoof. How do we…
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End-of-unit evaluation - Science and technology
EduBook Organización
- 2703 visitas
Progress in science and technology has improved our quality of life. New technologies have also led to the creation of computers and the Internet. Computers have become an essential part of most…
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Speaking - jobs T: Grade 3
EduBook Organización
- 2583 visitas
Mr Taylor is a writer and photographer. Bring a picture of a job that interests you. Tell the class about the job. Use these questions to help you. What kind of job do you want to do? What do you like…
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Fertilisation and the development of the zygote
EduBook Organización
- 2674 visitas
This diagram shows how a fetus is formed. Firstly, a zygote is formed from the fertilisation of an ovum from a woman by a sperm from a man. The zygote then splits into more and more cells. It develops…
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