Other questions in this quiz

2. DNA and mRNA both

  • have a double helix structure
  • have a sugar-phosphate chain
  • contain thymine
  • contain ribose

3. Analysis of a sample of DNA found that 40% of the nucleotides contained cytosine. In the same sample of DNA the percentage of nucleotides containing adenine would be

  • 10
  • 60
  • 20
  • 40

4. A triglyceride is made from

  • three glycerols and one fatty acid
  • three glycerols and three fatty acids
  • one glycerol and three fatty acids
  • one glycerol and one fatty acid

5. Which type of sugar is found in a nucleotide?

  • heptose
  • pentose
  • hexose
  • triose

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