cycle (a eukaryotic cell has membrane bound organelles) • the importances of mitosis • the process of mitosis The eukaryotic cell cycle Fig 2. Quantity of DNA in the cell during different phases This is illustrated by Fig 1. DNA quantity/arbitrary units Fig 1. The eukaryotic cell cycle 4 G2 2 S Mitosis Cyt oki G1 nes is S G2 cell division G1 time G1 The G1‚ S and G2 phases are termed interphase. Interphase is the stage of the cell cycle between
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no antennae 1. Writing A Literary Essay • A guide focused on William Shakespeare’s “Othello” 2. EXAMPLE OF A LITERARY ESSAY TOPIC: “Othello’s downfall can be blamed on the manipulations of Iago. Othello was forced to commit murder because of Iago’s actions.” Discuss the truth of this statement and what it reveals about Othello and Iago’s characters in an essay of 300 – 350 words. (2 - 2½ pages) 3. STEP ONE: ANALYSIS OF THE TOPIC :• The topic usually has 2 or more components: 1. THE STATEMENT/QUESTION:
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an enol form (71.7%) and a keto form (28.3%) of 2-acetylcyclohexanone mixture‚ the composition of which was determined by 1H-NMR spectroscopy. Key words : pyrrolidine‚ enamine‚ mild condition‚ NMR 1. Introduction The formation reactions of carbon-carbon bonds are important in organic synthesis [1-5]. In general‚ acylation reaction is one of the important carbon-carbon forming reactions. It belongs to the reactions of the enolate derived from a carbonyl group with an electrophilic carbon such as
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bonded which can link to make polymers • the molecules associated with living things are grouped into 4 major categories carbohydrates lipids (fats) proteins nucleic acids 1. Carbohydrates • it’s a biological macromolecule that consists of carbon‚ hydrogen & oxygen in a 1:2:1 ratio • are among the most common organic material on earth • millions of tonnes are produced by plants and algae every year through the process of photosynthesis • are used by organisms as a
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Chapter One Quick Check: 1. Cells were not discovered by Hippocrates because he didn’t have the technology and equipment to. 2. Robert Hooke is credited with the discovery of the basic building block of living organisms. 3. Robert Brown is credited with the discovery of the cell nucleus. 4. Schleiden and Schwann’s contribution to biology was proposing that cells are the basic structural unit for plants and animals. 5. Before Virchow‚ one idea was that living things could arise from non-living
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Introduction Fish constitutes a very important component of diet for many people‚ and often provides much needed nutrients for a healthy living. Fish serves as a principal source of dietary protein‚ which is very inexpensive in relation to other protein foods [1]. It is the characteristics of fish as a cheap source of animal
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terms of strength when the pH of an acid changes from 5 to 4? Part II: For the following questions‚ provide your response in short-answer format (2–3 detailed sentences each). Use this Phase’s activities and resources to assist you in answering. 1. What is pH? a. pH is a measurement of hydrogen ion concentration. It measures rather the solution is acid‚ base‚ or neutral. 2. What is a base? a. Accepts hydrogen ions from another substance that have a pH>7. It taste bitter and feel slippery
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analysed and identified. Multiple measurements were made and recorded. The three (3) sites that were studied can be identified on a map (topographical sheet‚ scale 1:50) and their sizes were determined using one scale of the map and also information recorded at the site. Sample of the sediment that was found at locality one (1) were collected random‚ by the students taking up a piece of rock without looking. These were placed on a study board were the long and l short axis of the sediments were
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vinegar or salt but recently it has taken a turn for the worst invading almost all the processed foods we consume. Arguments: 1. Lead to physiological disorders 2. Are known to cause to foods to be lower in nutritional value 3. Toxic to the nervous and the endocrinal system Thesis: Clearly‚ the use of some food additives is harmful to human health in general Argument 1: Canada accounts for twenty-five million dollars worth in artificial sweeteners to sell every year and that is only a mere five
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LAB 4: KIRCHHOFF’S RULES DIY Lab This section is adapted from reference 1. Objective In this experiment‚ you will experimentally verify Kirchhoff’s rules by measurement and by mathematical analysis. Apparatus (Lab Kit* or NIC Lab) 5 resistors one 6V battery or power supply (each under 1.5 kΩ each‚ not all equal) digital multimeter 12 connecting wires *If you do not have the Lab Kit‚ you can use equivalent items. Contact your instructor regarding equivalent items to ensure that the objective
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