Start learning →

Tap only the pyrimidine bases

Exercise and reference answers

Questions
  1. Items
    1. Text
      Cytosine
      Matches the category
      Yes
    2. Text
      Thymine
      Matches the category
      Yes
    3. Text
      Uracil
      Matches the category
      Yes
    4. Text
      Adenine
      Matches the category
      No
    5. Text
      Guanine
      Matches the category
      No
    Category
    Pyrimidines
  2. Items
    1. Text
      Thymine
      Matches the category
      Yes
    2. Text
      Deoxyribose
      Matches the category
      Yes
    3. Text
      Uracil
      Matches the category
      No
    4. Text
      Ribose
      Matches the category
      No
    5. Text
      Adenine
      Matches the category
      No
    Category
    Found only in DNA
Instructions
Tap every base that belongs to the category shown, and nothing else.

Explanation

_Source: OpenStax Biology for AP(R) Courses (CC BY 4.0), Ch 3 'Biological Macromolecules', sections 3.1-3.5_
Continue learning with Quill →

Browse more AP Biology questions and exercises →