N10/4/BIOLO/HPM/ENG/TZ0/XX 88106001 Biology HigHer level PaPer 1 Tuesday 2 November 2010 (afternoon) 1 hour INSTRUCTIONS TO CANDIDATES • Do not open this examination paper until instructed to do so. • Answer all the questions. • For each question‚ choose the answer you consider to be the best and indicate your choice on the answer sheet provided. 8810-6001 17 pages © International Baccalaureate Organization 2010 – 2 – 1. N10/4/BIOLO/HPM/ENG/TZ0/XX [Question and image
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Biology Exam Review Unit One – Biochemistry What is an isotope? Isotope - An isotope is all atoms of the same element that have the same number of protons‚ but they may have different numbers of neutrons in the nucleus. - This means that all atoms with the same atomic number can have different atomic masses. - Because they have the same number of protons and electrons‚ they behave exactly the same in chemical reactions. Radioisotope - The nuclei of some isotopes of an element are unstable
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biology FOLIO BIOLOGY POLLUTION NIK ‘AINAA SYAKIRAH BT NIK GHAZALI 5 IBNU SINA INTRODUCTION Pollution is the introduction of contaminants into a natural environment that causes instability‚ disorder‚ harm or discomfort to theecosystem i.e. physical systems or living organisms. It can also be define as any undesirable changes in physical‚ chemical or biological characteristics of the natural environment‚ brought about when harmful substances or energy released by human activities. Pollution
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Alex Haley: Roots Contents Page Contents 2 1. Introduction 3 2. Alex Haley: Roots 4 3. Dialogue between Kunta and his father 5 4. Kunta’s thoughts 7 5. Summary 8 Omoro said that three groups of people lived in a village. First were those you could see – walking around‚ eating‚ sleeping‚ and working. Second were the ancestors‚ whom Grandma Yaisa had now joined. “And the third people – who are they?” asked Kunta
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CELL DIVISION Important Formula #1 In case of animal cells‚ cytokinesis takes place through cell furrow (centripetal). Cytokinesis takes place in plants by the formation of cell plate (centrifugal). Important Formula #2 Meiosis causes reduction chromosome number‚ so it is also known as reduction division. CELL RESPIRATION Important Formula #1 For oxidative phosphorylation‚ 2.5 ATP are produced per NADH and 1.5ATP per FADH2. (Approx.) Important Formula #2 Non-germinating live seeds and
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First-Listed Diagnosis The term first-listed diagnosis/condition is used in the outpatient setting in lieu of principal diagnosis‚ once again because of the timing. Often‚ diagnoses are not established at the time of the initial encounter in the outpatient setting and it may take two or more visits prior to a confirmed diagnosis. The documentation to support the reason for the visit should describe the patient’s condition‚ using terminology that includes either specific diagnoses and/or symptoms
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With layoffs afflicting thousands of financial-services professionals‚ and post-bonus job hunting on the horizon for many others‚ now is the time to update your resume. You’ve probably been told countless times that a resume must highlight achievements and not just list the mundane tasks of your various jobs. But what are the best ways of showing off your career feats within the confines of a CV? Here is some advice from resume experts. 1) Name your numbers It’s no good just mentioning that you
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I hate being nervous when speaking. I would make sure that I had an ample supply of water available to soothe my ever-drying mouth; I would make sure that I had a portable microphone so I could walk around to minimize nervous energy. I would know my material like the back of my hand‚ by doing so I will come across as professional. I would arrive early to the location to where I am giving the speech. I will arrive early and walk around the room including the speaking area. I could stand at the lectern
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have a huge impact on the communication between cells. Cell communication is a crucial process necessary for cells to carry out various functions. Drugs such as Methylenedioxymethamphetamine (MDMA)‚ known as ecstasy‚ can create barriers or confusion to cells. Cell to cell communication carry messages from signaling cells to target cells. Usually a cell will bind with a target cell through a receptor protein in the plasma membrane of the target cell
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present‚ barriers to the personnel being able to adequately complete their job‚ and how future staff interactions may be improved. In addition‚ the analysis will review the selected quality improvement approach to be used during the completion of a root cause analysis of the event and what can be done by Nightingale Community Hospital to ensure the sentinel event does not occur again. A1 – Sentinel Event – The following is a review by the Nightingale Community Hospital Quality Management (QM)
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