7btemma
7btemma 7btemma
  • 22-01-2021
  • Biology
contestada

Which substances can pass directly through cell surface membranes and do not use a carrier protein or chanel protein?
1 K+ and Cāˆ«- 2 CO2 3 C6H12O6

A 1 and 2
B 1 and 3
C 2 and 3
D 2 only

Respuesta :

rumdon11junior
rumdon11junior rumdon11junior
  • 22-01-2021

Answer:

D

Explanation:

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