Biology : The Scientific Study Of Living Things Essay

1760 WordsDec 14, 20168 Pages
You, Me, DNA, and 23 Biology is the scientific study of living things. Chemistry is the scientific study of matter and how it changes. The fields of science where biology and chemistry meet are biochemistry or molecular biology. Scientists in these fields examine how chemicals and molecular components come together in a way that is balanced enough to create something that has not been discovered on any other planet: life. DNA is the molecule that accounts for the chemical unity and the physical diversity between humans and all other known species. Every living thing is made up of at least one cell. The human body is “formed from between 50 and 100 trillion cells” ("Putting DNA to Work - Introduction - Where Is DNA Found?"). Cells are the building blocks of life as we know it. It is taught that cells make up tissues, which make up organs, which make organisms, then populations, communities, and ecosystems, ultimately creating the biosphere--all of the life on Earth. While this is true, there is more to the lower end of the hierarchy. As stated before, cells are the building blocks of life; but the building blocks have to be built out of something themselves. Cells are composed of many organelles that perform specific functions within the cell as well as nucleic acids, proteins, carbohydrates, and lipids. While these components are not living themselves, this is where chemistry synthesizes with biology. There are a vast and wide variety of types of cells, each specialized to
Open Document