A Level biology – DNA and RNA
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- Question 1 of 24
1. Question
Which molecule holds genetic information?
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2. Question
What are ribosomes formed from?
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3. Question
Which of the following are not found in nucleotides?
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4. Question
Which of the following are not found in DNA?
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5. Question
What type of reaction occurs between two nucleotides?
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6. Question
What type of bond forms between two nucleotides?
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7. Question
Which of the following are not found in DNA?
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8. Question
In which type of organisms is DNA contained in a nucleus?
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9. Question
What is the best description of DNA?
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10. Question
Which polynucleotide comprises of two chains held together by hydrogen bonds?
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11. Question
Which type of RNA does not exist?
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12. Question
What are the monomers that form DNA and RNA known as?
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13. Question
How many carbon atoms does the sugar have that comprises the basic structure of a nucleotide?
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14. Question
Which of the following structures in DNA can vary?
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15. Question
What are the four possible bases in DNA?
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16. Question
What is the basic structure of nucleotide composed of?
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17. Question
Which base is replaced by uracil in RNA?
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18. Question
How many hydrogen bonds form between adenine and thymine?
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19. Question
How many hydrogen bonds form between cytosice and guanine?
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20. Question
What type of bonding joins the two DNA polynucleotide strands together in DNA?
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21. Question
What is it called when each base can only join with one particular base?
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22. Question
DNA forms what type of structure?
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23. Question
Which scientists won the 1962 Nobel Prize for “for their discoveries concerning the molecular structure of nucleic acids and its significance for information transfer in living material.”
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24. Question
Which scientist’s vital contributions in discovering the molecular structure of DNA were only recognised post-humously?
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