Question

There are 4 molecules racing to get across a typical cell membrane.
(a) C6H12O6
(b) CO2
(c) Cl -
(d) CH3CH2CH2COOH (a fatty acid).

Predict the order they make it across.
(A) a, b, c, d
(B) b, d, a, c
(C) c, a, b, d
(D) d, c, d, b
(E) b, c, a, d

Answer 1

• It’s (D)

• Explanation:

Answer 2

1. D

2. D

hope this helps