4398992
Descrição
Quiz por PEDRO ALVAREZ JIMENEZ, atualizado more than 1 year ago
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Criado por PEDRO ALVAREZ JIMENEZ
mais de 8 anos atrás
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Questão 1
Questão
If there are 3 billion letters in the reference genome, how much did it cost per letter to sequence the first human genome?
Responda
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$0.10
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$1.00
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$10.00
Questão 2
Questão
When sequencing a genome, how do scientists deal with the problem of how big the genome is?
Responda
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Ignore parts of the genome that are unimportant and only sequence important parts
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Break up the genome into smaller pieces and sequence all the pieces at once
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Only sequence one of the two strands in a double stranded piece of DNA from a genome
Questão 3
Questão
What is one way that scientists deal with the problem of how small the genome is?
Responda
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Use a microscope to see each letter better
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Add enough colored letters to get more than one to stick at a time to the DNA
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Make copies of the DNA
Questão 4
Questão
Scientists use special colored letters and enzymes to learn what the sequence of a cluster of identical pieces of DNA is. How?
Responda
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A sequential series of pictures of colored spots are taken and analyzed
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All the colored letters added into newly made DNA make a unique hue for each spot
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The time before the color fades away is an indication of the sequence of letters
Questão 5
Questão
Once we have the sequences for each piece of DNA from a genome, scientists ________.
Responda
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Make sure all the sequences of every piece are the same and that there are no mutations
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Make sure there is the same number of letters in each piece
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Put them all together using the first genome sequence as a guide
Questão 6
Questão
Next step after DNA has been deciphered will be
Responda
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To check out if it is correct
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To use that knowledge to improve our characteristics
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To decipher what the sequence means
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