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Introduction - Science and technology
EduBook Organización
- 3072 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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Restriction Digestion and Gel Electrophoresis of DNA
Tiching explorer Organización
- 6146 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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ESL Video: History of Independence Day
Esl video Organización
- 1 lo usan
- 6479 visitas
This 3 minute video explains when and how American colonies rebelled against king George. On July 4 1776 the Declaration of Independence was written and over the centuries it became a national holiday,…
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Writing (FCE)
EduBook Organización
- 2890 visitas
Laura is said to be the ‘ideal woman’ of Victorian England. Using her as your model, write a description (120-180 words) of what you think the ideal Victorian woman was like. Use these questions to…
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Sound
Tiching explorer Organización
- 5689 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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End-of-unit activities - Science and technology
EduBook Organización
- 3036 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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Fertilisation and the development of the zygote
EduBook Organización
- 2996 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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Initial evaluation 01 - The economic organisation of society
EduBook Organización
- 3008 visitas
Are the following sentences true or false?: In the market, the price of goods and services depends on how many buyers there are. Companies are the only economic agents who do not have to pay taxes.…
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Understanding the text (II) (PET)
EduBook Organización
- 2847 visitas
Now listen to the Dke talking about when he met the King. Choose the best answer. When did the Duke meet the King? At first, the Duke thought the King was What did the King think of life in the South?…
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