1. DNA Nucleotide [pic] Nucleotides consist of three parts --- a pentose sugar‚ a nitrogen-containing base‚ and a phosphate group. A pentose sugar is a five-sided sugar. Deoxyribose has a hydrogen atom attached to its #2 carbon atom (designated 2’)‚ and ribose has a hydroxyl group atom there. Deoxyribose-containing nucleotides are the monomers of DNA RNA Nucleotide [pic] The left picture shows the nucleotide unit of RNA. Nucleotides differ from nucleosides
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shielding and penetration on AO energies • Bonding – Review VSEPR and Hybridisation – Linear combination of molecular orbitals (LCAO)‚ bonding / antibonding – Labelling of molecular orbitals (MOs) (σ‚ π and g‚ u) – Homonuclear diatomic MO diagrams – mixing of different AO’s – More complex molecules (CO‚ H2O ….) – MO diagrams for Transition metal complexes An introduction to Molecular Orbital Theory 6 Lecture Course Prof S.M.Draper SNIAMS Institute 2.5 smdraper@tcd.ie 2 Lecture
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Oganesyan Title of investigation: The effect of solute concentration on osmosis in potatoes. Research question: What is the solute concentration of a potato? Hypothesis: Osmosis is the movement of water across the membrane from an area of high concentration to an area of low concentration. The osmosis continues until the solute concentrations are equal in both areas. In this experiment‚ we put pieces of potatoes into test tubes with sugar solutions of different concentrations and leave them there
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Part I: Briefly evaluate how Google’s Prediction Markets have worked to date. To what extent have the markets been successful or unsuccessful? 250 When the five Googlers got together to start with this project‚ their main objective was to launch an internal prediction market and test if crowds would make more accurate predictions than individuals’. To determine if this project was a success or not we need to determine our parameters of success. Moreover‚ we also think that the success will be
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carbon dioxide in the blood.___ ___ ___ Describe what happened to the pH and the carbon dioxide levels with hyperventilation. How well did the results compare with your prediction? ___ ___ ___ Explain how returning to normal breathing after hyperventilation differed from hyperventilation without returning to normal breathing. ___ ___ ___ Describe some possible causes of respiratory alkalosis. ___ ___ ___ Activity 2 Rebreathing Describe what happened to the pH and the carbon dioxide levels
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Partners: Sunniva & Bayu Determining the concentration of glucose of 7UP Glucose solutions prepared as follows:- In each case 250.0 cm3 volumetric flasks used Concentration (%) Mass/g 4.00 10.00 8.00 20.00 12.0 30.00 16.0 40.00 20.0 50.00 Table: 1- Recording of concentration‚ volume‚ and qualitative observations of various solute/solvent/solution used during the experiment. Name Concentration (%) Volume (ml) Qualitative Observations Glucose (C6H12O6) 5 different types: 4%‚8%‚12%‚16%‚20% 5.0 ± 0.1
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DOVER PUBLICATIONS‚ INC. l. MOLECULAR DIMENSIONS III A NEW DETERMINATION OF MOLECULAR DIMENSIONS (From the Annalen der Physik (4)‚ 19‚ 1906‚ pp. 289-306. Corrections‚ ibid.‚ 34‚ 1911‚ pp. 591-5922.](23) T HE kinetic theory of gases made possible the earliest determinations of the actual dimensions of the molecules‚ whilst physical phenomena observable in liquids have not‚ up to the present‚ served for the calculation of molecular dimensions. The explanation of this doubtless
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"factors" located on chromosomes: he observed chromosomal movement during meiosis and developedthe chromosomal theory of heredity 1905- 1908 William Bateson and Reginal Crudell Punnett demonstrated actions of some genes modify action of other genes: the first time gene regulation was demonstrated 1910 Thomas Hunt Morgan was the first to recognise genes are carried on chromosomes: the basis for modern genetics. He demonstrated the existence of sex-linked genes and expanded trait
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Earth’s Newest Superhero: Ionospheric Earthquake Prediction‚ How it May Change the Lives of Those Effected Abstract Making an earthquake forecast that is successful is still one of the biggest challenges before the scientists. Losses caused by earthquakes alone are greater than the loss caused by any other natural calamity. Many attempts have been made from ancient times to predict seismic events‚ but success has not been achieved yet. This is about to change with the study
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Obesity in America is growing at an alarming rate through are society. People need to take action against this disease and other chronic diseases caused because of it. This starts with proper education and choosing an affective weight loss program that helps maintain and also supports the people who are overweight and obese. The United States of America has the highest rates in the world of overweight people (68% of the US population) and obesity (34% of the population). According to a new report
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