DNA and RNA
Name______________________
DNA and RNA
1. Explain how DNA is altered in order to fit into a nucleus
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2. Name the proteins which hold DNA in place
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3. The structure of DNA may be compared to ______________________
4. Fill in the table to
(i)name the bases found in DNA
(ii)their complementary bases
DNA Bases
Complementary DNA Base
5. Draw a well labelled diagram to show the basic structure of DNA
6. Explain the term double helix
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7. Explain the following terms use diagrams to support your answer
(i)DNA
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(ii)RNA
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(iii) Protein
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DNA and RNA
Name______________________
8. Write a brief informative note on genes
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9. Explain the following terms
(i)
Triplet
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(ii)
Codon
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10. Give two examples of triplets which form a specific amino acid
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11. Explain the term non-coding “Junk” DNA
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Where is it found?
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What is it used for?
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12. Define DNA replication, use a diagram to support your answer
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13. Outline how DNA Replication occurs, use a diagram to aid your answer
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DNA and RNA
Name______________________
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14. State three advantages of DNA Replication
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15. Define the term DNA Profiling
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16. Outline the stages involved in DNA Profiling
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17. State two uses of DNA profiles
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DNA and RNA
Name______________________
18. Explain how DNA profiles may be used in paternity tests
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19. Explain the term genetic screening
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20. Outline why some people consider this process important
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21. Outline some ethical issues regarding genetic screening
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22. Explain the term RNA
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23. Name the bases found in RNA
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24. Fill in the table to show four differences between DNA and RNA
DNA
RNA
25. State why amino acids must be assembled in the correct sequence
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DNA and RNA
Name______________________
26. Outline the main steps involved in protein synthesis use a diagram to aid your
answer
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DNA and RNA
Name______________________