edtourniel edtourniel

13-01-2021
Biology

contestada

What helps substances cross the cell membrane during facilitated diffusion?
Choose 1 answer:
Cholesterol
B
Carbohydrates
Proteins
D
Water

Respuesta :

vkdb9uvs5n vkdb9uvs5n

13-01-2021

Proteins
Channel proteins act as a bridge for molecules to pass through

Answer Link

morgantay81 morgantay81

19-05-2021

Answer: Proteins

Explanation: Substances that cannot diffuse freely across the membrane may use channel or carrier proteins to help with transport into or out of the cell. have a nice day :)

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