Reproduction Male sperm fuses with female egg. If tdf (a gene) is present‚ then the embryo develops testes and produces testosterone. Female Reproductive system • Female baby develops if tdf is not present. • Tdf – a gene located on Y chromosome; if girl‚ then two X chromosomes‚ hence no Tdf. • Female hormones: progesterone and estrogen ( both secreted by mother’s ovaries and placenta which allow female genetilia to develop. Parts of the female reproductive system:
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Formulas Chapter: 1 Section: 2 * The empirical formula: the formula that gives the simplest ratio of the number of atoms in the compound. Determination of the empirical formula: 1. Find the mass in grams of each element. 2. Find the number of moles. 3. Find the simplest ratio of moles. Question 1. Mass of elements in g. 2. Number of moles of each element. 3. Simple ratio of elements. Practice problems * A 2.765 g sample of lead oxide was heated in a stream
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TOPIC 6‚ 11‚ & OPTION H: HUMAN HEALTH AND PHYSIOLOGY Digestive System Includes all the structures that are concerned with bringing food into the body to provide for the needs of the body’s cells. Each cell in an organism relies on a continuous expenditure of energy. Fats‚ carbs‚ and proteins are broken down during cellular metabolism and the energy derived from them is used to make ATP. The digestive system deals with: Ingestion‚ which is the bringing of nutrients into the body. Mechanical
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IB HL BIOLOGY Dialysis Lab: Exploring Osmosis and Diffusion Through A Membrane Introduction: Dialysis is the flow of certain solutes through a semi permeable membrane. Dialysis is usually used on patients with failing kidneys to clinically purify blood in their kidneys‚ or other regions of their bodies. The dialysate contains waste matter that flows from the blood our of the dialysis tubing. Question/aim of lab: To test the solutions inside and outside the dialysis tubing with Benedict’s
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How can PICO Agriculture increase the motivation of the employees by changing their managerial style? Business and Management Internal Assessment Name: Salma Diab Candidate Number: 000709010 School: Cairo American College Main Essay: 1848 words Executive Summary: 198 words table of content Executive summary
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MACROECONOMIC POLICIES THERE ARE TWO TYPES OF MACROECONOMIC POLICIES. FISCAL POLICIES & MONETARY POLICIES THESE POLICIES CAN BE FURTHER DIVIDED INTO TWO SEPERATE POLICIES FISCAL POLICIES CONSIST OF DEFLATIONARY FISCAL POLICY AND REINFLATIONARY/REXPANSIONARY FISCAL POLICY MONETARY POLICIES CONSIST OF TIGHT MONETARY POLICY AND LOOSE MONETARY POLICY DEFLATIONARY FISCAL POLICIES AND TIGHT MONETARY POLICIES WILL OFTEN BE USED IN CONJUCTURE DURING TIMES IN WHICH INFLATION IS ON THE RISE
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Artist Statement Acrylic. Guache. Ink. Textured Paper. Text. These are some words that make up the magnitude of some of my pieces. An entire two years were spent exploring one theme‚ faces in relation to text and vice-versa. Inspired by Amedeo Modigliani and Francoise Neilly‚ I have created a theme that I believe is unique. Colours‚ Backgrounds and Features are a few of the elements from the works of the artists that have inspired me‚ which I incorporated into my work. But beyond this‚ I chose
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M10/5/MATHL/HP2/ENG/TZ1/XX 22107204 mathematics higher level PaPer 2 Thursday 6 May 2010 (morning) 2 hours iNsTrucTioNs To cANdidATEs Write your session number in the boxes above. not open this examination paper until instructed to do so. do graphic display calculator is required for this paper. A section A: answer all of section A in the spaces provided. section B: answer all of section B on the answer sheets provided. Write your session number on each answer sheet‚ and attach
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Topic 1- Exam Style Notes 1.1 Nature of Business Activity What is a business? * Business- decision making organisation using inputs to produce goods and services which satisfy the needs and wants of a customer * Factors of production- “CELL” 1. Capital- used to produce goods (non natural‚ eg machinery) 2. Enterprise- management/planning of factors of production 3. Land- natural resources; renewable and non renewable 4. Labour- physical and mental efforts of people
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Year 10 Mathematics HL Portfolio Modeling the Weather The table shows Melbourne’s mean average daily maximum temperature (℃) for two year period 1999-2000. Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | 1999 | 25.7 | 26.9 | 24.5 | 21.4 | 18.0 | 14.0 | 13.5 | 13.9 | 17.2 | 19.4 | 22.2 | 24.6 | 2000 | 26.0 | 25.4 | 24.7 | 20.7 | 17.5 | 14.6 | 14.8 | 14.4 | 17.5 | 20.6 | 22.9 | 26.1 | 1. Define appropriate variables and parameters‚ and identify any
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