4410129
Description
Quiz by Sarah Juliette B, updated more than 1 year ago
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Created by Sarah Juliette B
almost 9 years ago
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Question 1
Question
What is the process of genetic information being copied from DNA into messenger RNA (mRNA)?
Answer
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Replication
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Translation
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Transcription
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Gene Expression
Question 2
Question
The pyrimidines are cytosine and thymine.
Answer
- True
- False
Question 3
Question
What makes up a DNA molecule?
Answer
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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
Question 4
Question
What bonds join the phosphate and sugar molecules in DNA?
Answer
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Phosphoester
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Phosphodiester
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Hydrogen
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Ionic
Question 5
Question
Which of these statements are correct?
Answer
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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.
Question 6
Question
Unwinding of the double helix is accomplished by the enzyme helicase.
Answer
- True
- False
Question 7
Question
What direction is DNA synthesised in?
Answer
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5' to 3' direction.
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3' to 5' direction.
Question 8
Question
What are the names of the short DNA segments in DNA replication which are ligated together by DNA ligase?
Answer
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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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