Monday, February 4, 2013

Objectives for DNA Structure, Replication, Transcription & Translation

_________ D1. Outline DNA nucleotide structure in terms of sugar (deoxyribose), base and phosphate. _____
_________ D2. State the names of the four bases in DNA _____

 _________ D3. Outline how DNA nucleotides are linked together by covalent bonds into a single strand. ____

_________ D4. Explain how a DNA double helix is formed using complementary base pairing and hydrogen bonds. _____
___________D5. Draw and label a simple diagram of the molecular structure of DNA. _____
___________D6. Explain DNA replication in terms
of unwinding the double helix and separation of the strands by helicase, followed by formation of the new complementary strands by DNA polymerase. _____
___________D7. Explain the significance of complementary base pairing in the conservation of the base sequence of DNA. _____
___________D8. State that DNA replication is semi- conservative. _____
___________D9. Compare the structure of RNA and DNA. _____
___________D10. Outline DNA transcription in terms
of the formation of an RNA strand complementary to the DNA strand by RNA polymerase. _____
__________D11. Describe the genetic code in terms of codons composed of triplets of bases. _____
_________ D12. Explain the process of translation, leading to polypeptide formation. _____
_________D13. Discuss the relationship between one gene and one polypeptide. _____

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