Item BF136001: Small molecules like amino acids can pass through capillary walls, but large molecules like proteins cannot.

What molecules can pass through the walls of capillaries?

  1. Both small molecules like amino acids and large molecules like proteins can pass through capillary walls.
  2. Small molecules like amino acids can pass through capillary walls, but large molecules like proteins cannot.
  3. Large molecules like proteins can pass through capillary walls, but small molecules like amino acids cannot.
  4. Neither large molecules like proteins nor small molecules like amino acids can pass through capillary walls.

Distribution of Responses

Chart showing distrubtion of responses for Item BF136001

Percent of students responding correctly

Overall45%
Grades 6–843%
Grades 9–1247%
Male43%
Female46%
Primary Language is English45%
Primary Language is not English44%

View data table