The role of the cholesterol molecules (pink) in the phospholipid bilayer can best be described by what statement?
A) Cholesterol molecules allow ions to pass freely through the membrane.
B) Cholesterol molecules maintain the fluidity and integrity of the membrane.
C) Cholesterol molecules allow water to pass freely through the membrane.
D) Cholesterol molecules allow proteins to be actively transported through the membrane.

cholesterol molecules allow ions to pass freely through the membrane

Explanation:

one is through turgidity. this occurs before ground tissue ( collenchyma

and sclerenchyma cells) become well

developed to give structural support to the plant as it grows bigger. the xylem

tissue (composed of rigid tissue) of the young

plant render this support and also maintaining osmotic turgidity of the surrounding

plant cells.

i don't know. if i were you, i would search it up online : d