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.

population. population is the number of people or animals in a particular place. an example of population is over eight million people living in new york city.

here is your answer hope i .

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation:

in case if a person is bitten by a snake then after contacting the medical control, there is a need to apply a pressure immobilization bandage and try to make the person calm and as still as possible unless and until any medical comes.

try to avoid washing of the bitten region as any venom left on the skin can in determining the snake. make sure to not cut the wound, or try to suck the venom out from the region, and do not apply any kind of tourniquet.