Item RH044001: Three nucleotides are needed to code for one amino acid, not one, four, or twenty.

How many nucleotides are needed to code for one amino acid?

  1. One
  2. Three
  3. Four
  4. Twenty

Distribution of Responses

Chart showing distrubtion of responses for Item RH044001

Percent of students responding correctly

Overall34%
Grades 6–833%
Grades 9–1235%
Male33%
Female35%
Primary Language is English34%
Primary Language is not English38%

View data table