Please help asap Based on the fluid mosaic model of cell membranes, which of the following statements about membrane phospholipids is true? 1. They frequently leave the bilayer and dissolve in the surrounding solution.
2. The hydrophilic regions of phospholipids are exposed to the cytosine and extracellular environment.
3. They occur in an uninterrupted bilayer, with membrane proteins restricted to the surface of the membrane.
4. They frequently flip-flop from one side of the membrane to the other.

science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.

acceleration= v2-v1/t so 8m/s-3m/s / 3s =to 8/3 or

2.67 m/s^2

hope i

-lavira: )

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.