At the bottom is the common phospholipid ,phosphatidylcholine.lipids are a group of naturally occurring molecules the include fats ,waxes ,sterols ,fat-soluble vitamins.
Species A’s population will decrease due to limited space. <em>(I think. I'm sorry if I'm wrong.)</em>
<span>the alleles that control which blood group antigens appear on the suface of red blood cells are codominant.</span>
Answer: Cell differentiation is how generic embryonic cells become specialized cells. This occurs through a process called gene expression. Gene expression occurs because of certain signals in your body, both inside and outside of your cells. Cell differentiation occurs during multiple stages of development.
