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Purine or pyrimidine

Exercise and reference answers

Upper category
Purine
Lower category
Pyrimidine
Items
  1. Category
    Purine
    Item
    Adenine
  2. Category
    Purine
    Item
    Guanine
  3. Category
    Purine
    Item
    Two rings
  4. Category
    Purine
    Item
    Bigger
  5. Category
    Pyrimidine
    Item
    Cytosine
  6. Category
    Pyrimidine
    Item
    Thymine
  7. Category
    Pyrimidine
    Item
    One ring
  8. Category
    Pyrimidine
    Item
    Smaller
Instructions
Send each base or clue to the purine track or the pyrimidine track.

Explanation

_Source: OpenStax Biology 2e, Chapter 14, DNA Structure and Function (CC BY 4.0)._
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