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WRL0001.tmp - Ethiopian Teachers Association
WRL0001.tmp - Ethiopian Teachers Association

... Other complementary support to teachers include direct suggestions of instructional strategies to improve lessons., The strategies should challenge preconceptions and school-made misconceptions through recommending alternatives to the traditional approaches, such as setting up simplified laboratory ...
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Reaction Rates/Chemical Kinetics

... forward reaction proceeds and SO3 is produced. The rate of the forward reaction is much greater than the rate of the reverse reaction. As SO3 builds up, it starts to decompose into SO2 and O2. The rate of the forward reaction is decreasing and the rate of the reverse reaction is increasing. Eventual ...
October 24 AP Biology - John D. O`Bryant School of Math & Science
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... build up of proton gradient just so H+ could flow through ATP synthase enzyme to build ATP ...
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Regeneration of NAD+ Lactic Acid Fermentation

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I. Overview of Photosynthesis: 4 STAGES: 1. Light Absorption

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Lab#6 Prelab CARBOXYLIC ACIDS

Figure 17-3 Degradation of glucose via the glycolytic pathway.
Figure 17-3 Degradation of glucose via the glycolytic pathway.

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Chapter 2: Biochemistry Problems
Chapter 2: Biochemistry Problems

... • Hydrophobic interactions: These occur when several or many hydrophobic atoms or groups clump together to avoid contact with water. Hydrophilic groups cannot form hydrophobic interactions. Unlike an ionic or a hydrogen bond that occurs between two molecules, hydrophobic interactions are not true bo ...
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Energetics and carbon metabolism during growth

... nucleic acid synthesis and produce erythrose-4-phosphate (E4P) for the synthesis of shikimi acid, because the production of aromatic amino acids occurs in the cytoplasm and the transport of pentose phosphate out of the chloroplast is not possible. On the other hand, there has been evidence to prove ...
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... starch passes through various stages, which can be demonstrated by the reaction with iodine. ...
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... alternative unit has a different relationship to the base unit, and we must remember all of those crazy numbers. We have to remember that there are 12 inches in a foot, 3 feet in a yard, and 5,280 feet in a mile, while at the same time remembering that for volume there are 8 ounces in a cup, 2 cups ...
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redox reaction - Seattle Central College

... homogeneous mixture; a random combination of two or more things. The part of the solution we have the most of is the solvent and the minor components of a solution are referred to as the solutes. Water is the most common solvent and a good one for ionic solutes. Half of a water molecule is slightly ...
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1411FINALSAMPLEs and Key

... overall geometry is tetrahedral and the molecular geometry is trigonal pyramidal. The hybridization of the sulfur atom in the first structure is therefore sp3. However, the sulfur is not simply sp3 hybridized in the second structure, which has an “expanded octet” around the sulfur atom. Hybridizatio ...
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chapter twenty-one transition metals and coordination chemistry

... Chromium ([Ar]:4s03d5) and copper [Ar]:4s13d10) have electron configurations which are different from that predicted from the periodic table. Other exceptions to the predicted filling order are transition metal ions. These all lose the s electrons before they lose the d electrons. In neutral atoms, ...
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ENZYME: an essential catalyst

... in -ase. Examples are lactase, alcohol dehydrogenase and DNA polymerase. • This may result in different enzymes, called isozymes, with the same function having the same basic name. Isoenzymes have a different amino acid sequence and might be distinguished by their optimal pH, kinetic properties or i ...
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AP Chemistry Notes and Worksheets 2014

...  covalent bonds-created when two or more nonmetals share electrons  molecule- atoms held together by covalent bonds  ions- charged particles formed by the loss or gain of electrons  ionic bonds- compounds created when one atom loses an electron and another gains it; are held together by electros ...
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... wavelength after a brief interval, termed the fluorescence lifetime. Fluorescent molecules are called fluorophores. Phosphorescence (emission from triplet state): Similar to fluorescence, but with a much longer excited state lifetime. ...
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4) What is the term for the procedure of collecting data and recording

Chapter 14 Glycolysis and the catabolism of hexoses
Chapter 14 Glycolysis and the catabolism of hexoses

... Best described and understood metabolic pathway, has been studied since 1890's Fermentation - general term for anaerobic degradation of glucose to get E in the form of ATP. Glycolysis and fermentation are essentially identical. The only different is the fate of the final product. Under aerobic condi ...
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Chapter 4: Reaction Stoichiometry Reaction Stoichiometry

... CaCl2(aq) + Li2 SO4(aq) → CaSO4(s) + 2 LiCl(aq) Ionic Equation Ca+2(aq) + 2 Cl-(aq) + 2 Li+(aq) + SO4-2(aq) → CaSO4(s) + 2 Li+(aq) + 2 Cl-(aq) Net Ionic Equation Ca+2(aq) + SO4-2(aq) → CaSO4(s) ...
Default Normal Template
Default Normal Template

... E.g: Calculations based on chemical equations: ...
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Photosynthetic reaction centre

A photosynthetic reaction center is a complex of several proteins, pigments and other co-factors assembled together to execute the primary energy conversion reactions of photosynthesis. Molecular excitations, either originating directly from sunlight or transferred as excitation energy via light-harvesting antenna systems, give rise to electron transfer reactions along a series of protein-bound co-factors. These co-factors are light-absorbing molecules (also named chromophores or pigments) such as chlorophyll and phaeophytin, as well as quinones. The energy of the photon is used to promote an electron to a higher molecular energy level of a pigment. The free energy created is then used to reduce a chain of nearby electron acceptors, which have subsequently higher redox-potentials. These electron transfer steps are the initial phase of a series of energy conversion reactions, ultimately resulting in the production of chemical energy during photosynthesis.
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