<span>The basic building blocks of a cell membrane are phospholipids. Phospholipids contain a hydrophobic (insoluble in water) end made up of two fatty acid chains of nonpolar molecules such as carbons and hydrogens. The other end is hydrophobic (soluble in water) and contains polar phosphate molecules. These phospholipids are arranged in a bilayer with their hydrophilic end group exposed to water on each side of the membrane and the hydrophobic nonpolar molecules protected inside the double layer. </span>
Answer:
A population comprises individuals of the same species. A community however is comprised of different populations of several species coexisting in the same area. In short, a population only refers to one species, but a community refers to all living species within a certain area.
The answer to the question is B) T<span>hey occur along the edges of the tectonic plates.</span>
C. Social science.
It is now the usual term in English for the scientific study of language, though linguistic science is sometimes used. Linguistics is a multi-disciplinary field of research that combines tools from natural sciences, social sciences, and the humanities.
Groundwater is one of the largest source of water on Earth.