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6. What structure does the DNA molecule twist to form?

  • Double helix
  • It doesn't twist at all

7. What does element does a Phosphate group have in it as part of a Nucleotide?

  • K
  • P
  • Mg

8. What is DNA?

  • The molecule which stores the gentic information that is present in the chromosomes within the nuclei of cells.
  • Genetic information that is present in chromosomes

9. What is a Nucleotide?

  • Many repeating units of DNA
  • A unit of DNA

10. What is the proper name of the 5-carbon sugar?

  • Deoxyribose
  • Pentose
  • Ribose
  • Hexose

11. What is the name of the bond formed between the Phopshate group and the Dexoyribose?

  • Phosphodiester
  • Glycosidic
  • Peptide

12. In comparison to Purine bases Pyridimines are what size larger or smaller?

  • The same size
  • Smaller
  • Large

13. Where can DNA be located within a cell

  • On chromosomes
  • Present in the chromosomes within the nuclei of cells
  • Nuclei of cells

14. What is the sugar-phosphate 'backbone' form as part of the structure formed to question 11?

  • Uprights fo a Ladder
  • Rungs of a ladder

15. Which Organic Nitrogenous base will pair with Thymine to form 2 Hydorgen Bonds?

  • Adenine
  • Cytosine
  • Guanine