Item RH002001: Four different types of nucleotides are used to make DNA molecules, not one, two, or three.

DNA molecules are made up of subunits called nucleotides that are linked together.  How many different types of nucleotides are used to make DNA molecules?

  1. One type
  2. Two types
  3. Three types
  4. Four types
Distribution of Responses
Chart showing distrubtion of responses for Item RH002001
Students Responding Correctly
Group Correct Total Percent
Overall 1489 4491 33%
Grades
  6–8 704 2553 28%
  9–12 785 1935 41%
Gender
  Male702213933%
  Female758226134%
Primary Language
  English1342400733%
  Other11638430%

View data table