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If you lined up all the DNA you have in all of your cells, you could:
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For number lovers: there are 2m of DNA in one cell and humans are made out of 100'000 billion cells. The distance between the Earth and the Sun is about 150'000'000 km.

Your body is made out of cells, the way a house is made out of bricks. Most of your cells are smaller than a speck of dust. However, some of the cells in your muscles are gigantic, and can be as long as your thigh.
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This protein is cut by a 'scissor' protein that only cuts between the letter H and the letter G. How many pieces of protein do you get?
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Casein is a protein found in milk. 100 years ago, it was used to make glue for chalets and the first wooden planes.
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Take a good look at the secret code. Now translate the orange text:
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Scientists look for drugs that fit best into the protein that has to be blocked. In which proteins (1, 2, 3 or 4), does the red drug fit best?
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Did you know that you are the only living being on Earth who knows how to put words into a certain order which actually means something? The correct sentence is :
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Even more impressive, we can read words even if their letters are not in the right order:

Aoccdrnig to a rscheearch at Cmabrigde Uinervtisy, it deosn\\\'t mttaer in waht oredr the ltteers in a wrod are, the olny iprmoetnt tihng is taht the frist and lsat ltteer be at the rghit pclae. The rset can be a toatl mses and you can sitll raed it wouthit porbelm. Tihs is bcuseae the huamn mnid deos not raed ervey lteter by istlef, but the wrod as a wlohe.

Certain fruits and vegetables contain much more vitamin C than oranges do. Amongst the fruits and vegetables below, which have the most vitamin C?
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Blackcurrants, parsley, peppers, broccoli, kiwis and chili peppers contain a lot of vitamin C.

Here is a short sequence of letters: AAACTCATCCA. Replace the letters by musical notes, where A=So, C=La, T=Ti. Do you know the name of the corresponding nursery rhyme?
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Mr Beaker has just found a paper in his drawer, with experimental results he had lost. Unfortunately, he forgot to mark down the experiment he had done. Can you help him? His results are from experiment:
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Did you know that a papyrus which describes many illnesses was found in a mummy's tomb? The papyrus is over 4'000 years old, and represents one of the first databanks! Which of the following is not a databank:
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Rats and mice are cousins because they look alike and have a common ancestor. Which of the following is the cat's cousin?
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When you eat chocolate, your body produces a molecule which tells your brain 'Mmmm, this is good!'
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Which of the following people do not use both biology and computers at work?
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Do you know why 'albinos' have white skin and blue or red eyes?
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Did you know that ants use their antennae to communicate? And snakes use their tongues to smell?
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Did you know that one of the very distant ancestors of birds is the dinosaur? Here is a fragment of protein that belongs to Tyrannosaurus. Salamanders, mammoths and hens also have this protein... Whose fragment is closest to Tyrannosaurus?
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Which of these animals has webbed feet?
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Did you know that if you were able to swim in your blood in the morning and at lunchtime, you wouldn't meet the same molecules? That is because your blood transports different molecules at different times of the day. How many differences can you see between these 2 pictures?
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Here are shapes that fit into each other, and shapes that do not. Let us imagine that you fall ill if your prions fit together. Among the 4 shapes below, which will make you ill?
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Which of the sets of proteins have the same shapes?
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Scientists know the human genome. But they also know the genomes of other organisms. Here are other members of the animal kingdom whose genomes are known. Which of them are extinct?
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Who is XX and who is XY? Who is 'A' and who is 'B'?
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Question on chromosome1
Question on chromosome2
Question on chromosome3
Question on chromosome4
Question on chromosome5
Question on chromosome6
Question on chromosome7
Question on chromosome8
Question on chromosome9
Question on chromosome10
Question on chromosome11
Question on chromosome12
Question on chromosome13
Question on chromosome14
Question on chromosome15
Question on chromosome16
Question on chromosome17
Question on chromosome18
Question on chromosome19
Question on chromosome20
Question on chromosome21
Question on chromosome22
Question on chromosomeXY
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