biochemistry
Sign in to saveBiochemistry, or biological chemistry (distinct from chemical biology), is the study of chemical processes within and relating to living organisms. A sub-discipline of both chemistry and biology, biochemistry may be divided into three fields: structural biology, enzymology, and metabolism. Over the last decades of the 20th century, biochemistry has become successful at explaining living processes through these three disciplines. Almost all areas of the life sciences are being uncovered and developed through biochemical methodology and research. Biochemistry focuses on understanding the chemica
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Biochemistry is the study of chemical processes that happen inside living organisms and how those chemicals relate to life itself. It has become increasingly important because it helps scientists understand how living things work at a chemical level, and its methods are now used across nearly all areas of life science research.
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Article
21 sectionsContents
- History
- <span class="anchor" id="CHNOPS"></span> Starting materials: the chemical elements of life
- Biomolecules
- Carbohydrates
- Lipids
- Proteins
- Nucleic acids
- Metabolism
- Carbohydrates as energy source
- Glycolysis (anaerobic)
- Aerobic
- Gluconeogenesis
- Relationship to other "molecular-scale" biological sciences
- See also
- Lists
- See also
- Notes
- References
- Cited literature
- Further reading
- External links
Biochemistry, or biological chemistry (distinct from chemical biology), is the study of chemical processes within and relating to living organisms. A sub-discipline of both chemistry and biology, biochemistry may be divided into three fields: structural biology, enzymology, and metabolism. Over the last decades of the 20th century, biochemistry has become successful at explaining living processes through these three disciplines. Almost all areas of the life sciences are being uncovered and developed through biochemical methodology and research. Biochemistry focuses on understanding the chemical basis that allows biological molecules to give rise to the processes that occur within living cells and between cells, in turn relating greatly to the understanding of tissues and organs as well as organism structure and function. Biochemistry is closely related to molecular biology, the study of the molecular mechanisms of biological phenomena.
Much of biochemistry deals with the structures, functions, and interactions of biological macromolecules such as proteins, nucleic acids, carbohydrates, and lipids. They provide the structure of cells and perform many of the functions associated with life. The chemistry of the cell also depends upon the reactions of small molecules and ions. These can be inorganic (for example, water and metal ions) or organic (for example, the amino acids, which are used to synthesize proteins). The mechanisms used by cells to harness energy from their environment via chemical reactions are known as metabolism. The findings of biochemistry are applied primarily in medicine, nutrition, and agriculture. In medicine, biochemists investigate the causes and cures of diseases. Nutrition studies how to maintain health and wellness and also the effects of nutritional deficiencies. In agriculture, biochemists investigate soil and fertilizers with the goal of improving crop cultivation, crop storage, and pest control. In recent decades, biochemical principles and methods have been combined with problem-solving approaches from engineering to manipulate living systems in order to produce useful tools for research, industrial processes, and diagnosis and control of diseasethe discipline of biotechnology.