These molecules are referred to in biology as the molecules of life. ... Without any of these four molecules, a cell and organism would not be able to live. All of the ... Many organisms have what is known as a cell wall that surrounds their cell. ... There are two types of nucleic acids that are essential to all lif
proteins are the first molecules of life and they are really the building blocks of life. And Carbohydrates are an important source of energy. They also provide structural support for cells and help with communicationbetween cells.
