Zusammenfassung der Ressource
Frage 1
Frage
What is the process of genetic information being copied from DNA into messenger RNA (mRNA)?
Antworten
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Replication
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Translation
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Transcription
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Gene Expression
Frage 2
Frage
The pyrimidines are cytosine and thymine.
Frage 3
Frage
What makes up a DNA molecule?
Antworten
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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
Frage 4
Frage
What bonds join the phosphate and sugar molecules in DNA?
Antworten
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Phosphoester
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Phosphodiester
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Hydrogen
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Ionic
Frage 5
Frage
Which of these statements are correct?
Antworten
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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.
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Bases are bonded together by hydrogen bonds.
Frage 6
Frage
Unwinding of the double helix is accomplished by the enzyme helicase.
Frage 7
Frage
What direction is DNA synthesised in?
Antworten
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5' to 3' direction.
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3' to 5' direction.
Frage 8
Frage
What are the names of the short DNA segments in DNA replication which are ligated together by DNA ligase?
Antworten
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Lagging fragments.
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Bases.
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Okazaki fragments.
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Primer sequences.