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

true, generally referred to as invasive species given that they have no natural predators in new environment

examples of nucleic acids are deoxyribonucleic acid (dna) and ribonucleic acid (rna).

the correct answer is option d.

an appositive is a noun, noun phrase or noun clause which follows another noun or noun phrase in order to describe it or name it another way. they are usually used between commas, brackets or dashes.

the example sentence with the correct use of commas is the following:

her uncle, the man over there in the red shirt, owns the hardware store in town.