Question

what is the role of integral proteins in the cell membrane?
to provide structural support
to store genetic information
to produce energy
to facilitate the movement of substances across the membrane
question 6
0.75 pts
which molecule in the cell membrane acts as a barrier to water - soluble substances?
carbohydrates
nucleic acids
proteins
lipids

Explanation:

Integral proteins in the cell - membrane have channels or carriers to help substances cross the membrane. Lipids in the cell - membrane, specifically the phospholipid bilayer, have hydrophobic tails that form a barrier to water - soluble substances.

Answer:

To facilitate the movement of substances across the membrane
Lipids