Question

Select the accurate statements concerning membrane fluidity.

1) Membrane fluidity is influenced by temperature.
2) Membrane fluidity is influenced by the presence of cholesterol.
3) Membrane fluidity is independent of lipid composition.
4) Membrane fluidity is higher in saturated fatty acids compared to unsaturated fatty acids.

Answer 1

Membrane fluidity is influenced by temperature, cholesterol presence, and lipid composition. It is higher in membranes with unsaturated fatty acids due to their kinked structure and lower in those with saturated fatty acids.

Step-by-step explanation:

The accurate statements concerning membrane fluidity are that it is influenced by temperature and the presence of cholesterol, but not that it is higher in saturated fatty acids. Specifically: