Biochemical
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Biochemistry, sometimes called biological chemistry, is the study of chemical processes in living organisms, including, but not limited to, living matter. Biochemistry governs all living organisms and living processes. By controlling information flow through biochemical signalling and the flow of chemical energy through metabolism, biochemical processes give rise to the incredible complexity of life. Much of biochemistry deals with the structures and functions of cellular components such as proteins, carbohydrates, lipids, nucleic acids and other biomolecules although increasingly processes rather than individual molecules are the main focus. Over the last 40 years biochemistry has become so successful at explaining living processes that now almost all areas of the life sciences from botany to medicine are engaged in biochemical research. Today the main focus of pure biochemistry is in understanding how biological molecules give rise to the processes that occur within living cells which in turn relates greatly to the study and understanding of whole organisms. Among the vast number of different biomolecules, many are complex and large molecules (called biopolymers), which are composed of similar repeating subunits (called monomers). Each class of polymeric biomolecule has a different set of subunit types. For example, a protein is a polymer whose subunits are selected from a set of 20 or more amino acids. Biochemistry studies the chemical properties of important biological molecules, like proteins, and in particular the chemistry of enzyme-catalyzed reactions. The biochemistry of cell metabolism and the endocrine system has been extensively described. Other areas of biochemistry include the genetic code (DNA, RNA), protein synthesis, cell membrane transport, and signal transduction. From Wikipedia under the
GNU Free Documentation License Adjectivebiochemical
biochemical (plural biochemicals)
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Q. Actual Question: In biochemical testing, explain what is indicated when the amino acid sequence of proteins or the nitrogenous base sequence in the DNA are similar or very different between two species? Asked by Kmill - Thu Mar 27 17:47:21 2008 - Biology - 2 Answers - Comments A. When sequences (of protein or DNA) are similar between species it means that they evolved through the same lineage. They are more closely related than two species that do not share similar sequences. Answered by Dub - Thu Mar 27 18:13:36 2008 From Yahoo Answer Search: "biochemical" |
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