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Course Name - Qatar University
Course Name - Qatar University

... 16-Enzymes play an important role in biological chemistry because they a) break down to release metal ions. b) lower the amount of activation energy required for a reaction. c) raise the ionic strength of a water solution. d) retain the pH at the neutral level preferred by most microorganisms. 17-AT ...
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Gas Exchange at Cellular Level
Gas Exchange at Cellular Level

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... tetrapyrrole derivative, and the typical pigments found in bile, urine, and feces, a deficiency of which will ...
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DNA / RNA

... taken to the ribosome where it serves as the directions to form a sequence of amino acids which form proteins. - Ribosome is made out of protein and rRNA ...
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... 7. What is the molar mass of H2O? a. 18 g/mol b. 36 g/mol c. 6.02 X 1023 g/mol d. There is not enough information given 8. Avogadro’s number represents a. The number of atoms in a mole of an element b. The number of molecules in a mole of a compound c. A and B d. None of the above Use the following ...
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Amino acids in the human placental intervillous space

... similar to those of the maternal vein taken concurrently (none were significantly different), but they are very different from the foetal umbilical-cord levels (20 were significantly different). This raises the possibility as to whether the samples from the presumed intervillous space were in fact f ...
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AAKG supplement

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... defect, if not lethal, may result in the accumulation and excretion of the substrate of the defective enzyme. From genetic defects in specific enzymes occurring in people it has been possible for e.g., to deduce the nature of certain steps in the metabolism of amino acids. Such human genetic disorde ...
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Mitochondrial Lab - University of Colorado Denver

... of glucose is broken all the way down to C02 and all the electrons are stripped off 3) Electrons are carried (by NADH or FADH2) to the electron transport chain and ATP synthase where ATP is made from electron energy (ch. 10) ...
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Biochemistry



Biochemistry, sometimes called biological chemistry, is the study of chemical processes within and relating to living organisms. By controlling information flow through biochemical signaling and the flow of chemical energy through metabolism, biochemical processes give rise to the complexity of life. Over the last decades of the 20th century, biochemistry has become so successful at explaining living processes that now almost all areas of the life sciences from botany to medicine to genetics 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.Biochemistry is closely related to molecular biology, the study of the molecular mechanisms by which genetic information encoded in DNA is able to result in the processes of life. Depending on the exact definition of the terms used, molecular biology can be thought of as a branch of biochemistry, or biochemistry as a tool with which to investigate and study molecular biology.Much of biochemistry deals with the structures, functions and interactions of biological macromolecules, such as proteins, nucleic acids, carbohydrates and lipids, which provide the structure of cells and perform many of the functions associated with life. The chemistry of the cell also depends on the reactions of smaller 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 by which cells 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 disease. In nutrition, they study how to maintain health and study the effects of nutritional deficiencies. In agriculture, biochemists investigate soil and fertilizers, and try to discover ways to improve crop cultivation, crop storage and pest control.
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