4410129
Descrição
Quiz por Sarah Juliette B, atualizado more than 1 year ago
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Criado por Sarah Juliette B
aproximadamente 8 anos atrás
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Questão 1
Questão
What is the process of genetic information being copied from DNA into messenger RNA (mRNA)?
Responda
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Replication
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Translation
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Transcription
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Gene Expression
Questão 2
Questão
The pyrimidines are cytosine and thymine.
Responda
- True
- False
Questão 3
Questão
What makes up a DNA molecule?
Responda
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Ribose Sugar
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Base
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Phosphate Group
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Deoxyribose Sugar
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Acid
Questão 4
Questão
What bonds join the phosphate and sugar molecules in DNA?
Responda
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Phosphoester
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Phosphodiester
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Hydrogen
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Ionic
Questão 5
Questão
Which of these statements are correct?
Responda
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The number of adenine bases never equals the number of thymine bases.
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Deoxyribose sugar is missing an oxygen atom at it's 2' position.
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G-C pairs are more thermodynamically stable than A-T pairs.
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DNA is a left-handed double helix.
-
Bases are bonded together by hydrogen bonds.
Questão 6
Questão
Unwinding of the double helix is accomplished by the enzyme helicase.
Responda
- True
- False
Questão 7
Questão
What direction is DNA synthesised in?
Responda
-
5' to 3' direction.
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3' to 5' direction.
Questão 8
Questão
What are the names of the short DNA segments in DNA replication which are ligated together by DNA ligase?
Responda
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Lagging fragments.
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Bases.
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Okazaki fragments.
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Primer sequences.
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