Log In | Register

Item BF018005: Small molecules like amino acids can pass through capillary walls but large molecules like proteins cannot.

What molecules can pass through the walls of microscopically small blood vessels (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
Answer Choice
Overall
Grades
Gender
Primary Language
 
n = 1558
6–8
n = 1000
9–12
n = 554
Male
n = 745
Female
n = 782
English
n = 1394
Other
n = 134
A. 24% 26% 20% 24% 25% 23% 31%
B. 47% 42% 55% 47% 47% 48% 33%
C. 17% 19% 12% 17% 16% 16% 22%
D. 12% 12% 12% 12% 12% 12% 14%