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6. If a DNA molecule containes 28% thymine, what percent of it will be cytosine?

  • 56%
  • 44%
  • 22%
  • 28%

7. Is Ribosomes where the genetic code is made and the site of protein synthesis?

  • True
  • False

8. One human disease is caused by a change in one codon in a gene from GAA to GUA. This disease is the result of...

  • Polyploidy
  • A Mutattion
  • Crossing-Over
  • A Meiosis Error

9. What are the bases used in RNA?

  • Adenine to Uracil, Guanine to Cytosine
  • Adenine to Thymine, Guanine to Cytosine
  • Adenine to Guanine, Uracil to Thymine
  • Adenine to Cytosine, Guanine to Thymine

10. How many types of Amino Acids are there?

  • 21
  • 4
  • 8
  • 24