Item RH028001: There are 20 different types of amino acids that are used to make protein molecules, not one, three, or four.

How many different types of amino acids are used to make protein molecules?

  1. One
  2. Three
  3. Four
  4. Twenty
Distribution of Responses
Chart showing distrubtion of responses for Item RH028001
Students Responding Correctly
Group Correct Total Percent
Overall 515 3081 17%
Grades
  6–8 300 1885 16%
  9–12 215 1196 18%
Gender
  Male257144418%
  Female245157316%
Primary Language
  English458266017%
  Other4833914%

View data table

Notes
This idea is not addressed in NGSS.