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Macro-molecules short 2014
Macro-molecules short 2014

... Amino acids have an amino group (-NH2) on one end and a carboxyl group (-COOH) on the other end with various atoms in between The joins are formed by joining the amino group on one amino acid with the carboxyl group on another = protein synthesis ...
3.2 Metabolism of cardiac muscle cell
3.2 Metabolism of cardiac muscle cell

... Myocardium is able to produce energy from several substrates: fatty acids, glucose, lactate, pyruvate, ketone bodies and even aminoacids. Preference of individual substrates representing the particular sources of energy depends on their current concentration in both blood and cardiac muscle cells. T ...
Extra Credit to replace the Survival of the Fittest Lab
Extra Credit to replace the Survival of the Fittest Lab

... Elements & Macromolecules in Organisms Most common elements in living things are carbon, hydrogen, nitrogen, and oxygen. These four elements constitute about 95% of your body weight. All compounds can be classified in two broad categories --- organic and inorganic compounds. Organic compounds are ma ...
question bank acids, bases and salts
question bank acids, bases and salts

... 3. How can the effect of china rose on acids and bases be seem ? 4. What happens when a concentrated acid gets accidentally spilled on cloth or wool ? 5. What happen when metals and non metals combined with oxygen, also write chemical equation ? ...
Integration of Metabolism
Integration of Metabolism

... c. With low glucose, you have low F-2,6-BP and the reverse when glucose is high d. Study this diagram, all of these will make sense XXVIII. Gluconeogenesis and Glycolysis [S28] a. For example, if ATP is low you need to make more ATP, so it is important to activate glycolysis i. When ATP is low, AMP ...
Midterm IV Key
Midterm IV Key

... MULTIPLE CHOICE QUESTIONS (40 POINTS) 1. The peptide bond joining amino acids into proteins is a specific example of the ________bond. A. carbonyl B. amine C. ester D. amide E. carboxyl ...
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... All of the mutants had decreased creatine kinase activity as compared to the wild-type enzyme. What information does this result provide about the reaction mechanism in the wild-type enzyme? The activity of the mutant enzyme C278D was 12-fold greater than the activity of the C278N mutant. Suggest an ...
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... FADH2 is oxidized in the mitochondrial electron transport chain. The acyl-CoA dehydrogenase is an integral membrane protein like succinate dehydrogenase. (2) The second, and last oxidation, uses NAD+ as the oxidant. The resulting NADH is oxidized in the electron transport chain. (3) The operation of ...
Properties of the Major Biological Molecules
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...  What makes one protein different from any other type of protein? Each protein can be made from up to 20 different amino acids that are bonded to each other in one long chain. Protein polymers can be made of a chain of over 15,000 amino acids. The ordering of these amino acids is variable from one ...
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Slide 1

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Phosphorylation - Biology Junction

... carbohydrates, fats, proteins Heterotrophs eat these organic molecules  food  digest organic molecules to get… ...
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Integrating the universal metabolism into a phylogenetic analysis

... from the tip of the pathway to its point of contact into the Krebs cycle. To name pathways, prefixes ‘‘d’’ and ‘‘s’’ are used to refer to degradation and synthesis, respectively. For example, dGLN is the set of enzymatic activities involved in converting glutamine to oxoglutarate, whereas sGLN is th ...
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Exam Name___________________________________
Exam Name___________________________________

... 8) Which of the following statements regarding methyl- -L-glucopyranoside is correct? A) This glycoside will be hydrolyzed to the cyclic hemiacetal in dilute aqueous acid. B) This glycoside will undergo no reaction when treated with excess CH3 I/Ag2 O. C) This glycoside undergoes mutorotation in aqu ...
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... __________23. The graph to the right is from the study of turnip peroxidase’s activity (i.e., reaction velocity) as influenced by a factor. The x-axis should be labeled __________. a. Peroxidase amount added (mL) b. Temperature (°C) c. pH d. H2O2 concentration (%) __________24. Which of the followin ...
Organic Chemistry
Organic Chemistry

... a. A carbohydrates is made up of only _____ , _____ , _____. b. Sugar is an example of a ________________. c. _____________ is another name for sugar. d. A ________________ is one simple sugar. e. A _________________ is made up of two simple sugars. f. A __________________ is a whole string of sugar ...
Figure 5-2
Figure 5-2

... c. hydrogen atoms b. side groups d. carboxyl groups 32. An amino group is written as: a. –COOH b. –NH2 ...
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Cut and Paste Macromolecule Instructions
Cut and Paste Macromolecule Instructions

... 3. Where in a cell would long-chain carbohydrates be synthesized, and by what organelle? During what cellular process would this occur? 4. How does putting a double bond in the carbon chain of a lipid affect the structure of the fatty acid? 5. Based on what you have observed about lipid structure, c ...
Advanced Placement Chemistry: 1984 Free Response Questions
Advanced Placement Chemistry: 1984 Free Response Questions

... (d) Calculate the standard free energy of formation, Gf°, for butyric acid at 25 °C. ...
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Citric acid cycle



The citric acid cycle – also known as the tricarboxylic acid (TCA) cycle or the Krebs cycle – is a series of chemical reactions used by all aerobic organisms to generate energy through the oxidation of acetate derived from carbohydrates, fats and proteins into carbon dioxide and chemical energy in the form of adenosine triphosphate (ATP). In addition, the cycle provides precursors of certain amino acids as well as the reducing agent NADH that is used in numerous other biochemical reactions. Its central importance to many biochemical pathways suggests that it was one of the earliest established components of cellular metabolism and may have originated abiogenically.The name of this metabolic pathway is derived from citric acid (a type of tricarboxylic acid) that is consumed and then regenerated by this sequence of reactions to complete the cycle. In addition, the cycle consumes acetate (in the form of acetyl-CoA) and water, reduces NAD+ to NADH, and produces carbon dioxide as a waste byproduct. The NADH generated by the TCA cycle is fed into the oxidative phosphorylation (electron transport) pathway. The net result of these two closely linked pathways is the oxidation of nutrients to produce usable chemical energy in the form of ATP.In eukaryotic cells, the citric acid cycle occurs in the matrix of the mitochondrion. In prokaryotic cells, such as bacteria which lack mitochondria, the TCA reaction sequence is performed in the cytosol with the proton gradient for ATP production being across the cell's surface (plasma membrane) rather than the inner membrane of the mitochondrion.
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