Chemistry in Biology

Topics: Chemistry, Atom, Biochemistry Pages: 3 (783 words) Published: June 4, 2013
Chemistry plays an important part in studying Biology. It answers some questions that Biology could not explain alone. Questions like: How does an organism convert foods for energy? How do plants use sunlight and water into all the things that cells needed to grow and reproduce? How does the basic unit of life passed through generation to the next?

Here are some contributions of Chemistry in Biology:
Within atomic theory, chemistry contributes towards biology in the understanding of atoms and elements. Chemistry explains the simplest form of a pure substance is an atom and that an element is only made up of one type of atom. Biology uses this definition when looking at the make up of living organisms. •Chemical principles are important in modern cell biology because all living cells are made up of chemicals and many chemical processes occur in various living organisms. •Life is sustained through chemical reactions. Chemical reactions are important to all levels of biology. An example of this is when we eat something with sugar in it; the cells in our body chemically break down the sugar and turn it into energy, which is used to do things such as make our muscles move •Also, humans are supposed to take in 12 minerals (elements) (calcium, iron, phosphorous, iodine, magnesium, zinc, selenium, copper, manganese, chromium, molybdenum and chloride) a day as well. In total some 60 chemical elements have been found in the human body alone. These chemical elements are needed to continue bodily processes like breathing, digesting food, and thinking. •Chemistry also determines how the organism looks, acts and functions. DNA, the instructions that tell the cells of an organism what to do, are part of biochemistry.

Biology is the study of living things. For generation, biologist learned the world by simply making observations by the naked eye or by the use of microscopes. As the science expanded however, scientist began to ask...
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