Organelle |Function |Location | | |Cell (plasma) membrane |Composed of proteins and a bilayer of lipid. |Outermost boundary of cell (animal) | | |Holds the contents of the cell in place. | | | |Regulates the movement of materials into and out of the cell using the |
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Discovery Oxygen was first discovered by two scientists. One was a British Chemist Joseph Priestly who was given credit for the discovery in 1774. The other was a Swedish Chemist Carl Wilhelm Scheele who had also discovered it around the same time as Priestly. Yet Priestly was given credit because his work‚ and results were published. Priestly had first found this new element when he observed that mercuric oxide‚ on heating. Yielded a gas that caused a flame to burn faster. He later found that
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Biology- cell organelles assignment Animal cells: Introduction: An animal cell is called a eukaryotic cell; it has a cell membrane‚ cytoplasm and a nucleus. The cell surface is covered by a membrane only. The cell membrane is strong and keeps the cell together even though it is thin and flexible. The cell membrane also controls what goes in and out of the cell e.g. nutrients go in and waste comes out. The cytoplasm is inside the nucleus and it controls the cells activities. An animal is
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CHAPTER 1: Overview of Global Energy and Environmental Issues Environmental milestones‚ landmarks * Vedas ( love and respect for nature ) * Ancient civilisations - self-imposed restrictions …to avoid pollution‚ degradation ..spiritual means .. ) * Rachel Carson and the Silent Spring: When Rachel Carson’s Silent Spring was published in 1962; it generated a storm of controversy over the use of chemical pesticides. Miss Carson’s intent in writing Silent Spring was to warn the public
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The role of the counsellor is to facilitate a person’s resolution to problem issues whilst respecting their values‚ personal resources‚ culture and capacity for choice. Counselling can provide people with a regular time and space to talk about their problems and explore difficult feelings in a confidential and dependable environment. Counsellors do not usually offer advice but instead give insight into the client’s feelings and behaviour and they may help the client to change their behaviour if
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Sickle Cell Anemia is a hereditary disease that changes the smallest and most important components of the body. A gene causes the bone marrow in the body to make sickled shapes‚ when this happens; it causes the red blood cell to die faster. This is what causes Hemolytic Anemia. Older children and adults with sickle cell disease may experience a few complications‚ or have a pattern of ongoing problems that shorten their lives. The most common and serious complications of sickle cell disease are anemia
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The Ethics of Genetically Modified Organisms Genetic engineering has become a seriously debated concern in society over the last three centuries. As scientists become closer to finding a way to accomplish it with new technology and less risks‚ the increasing concerns grow. People all over the world are looking for a way to eliminate disease‚ expand lifetimes‚ and preserve resources. When looking at the genetic engineering of many important factors in society such as religion‚ laws‚ and societal
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Throughout the past centuries between 1800 all the way through 2017‚ the gender roles between men and women have drastically changed. In the 1800’s it was very common for men to go to school‚ acquire an education‚ and use their education to earn a job that lead to a future success. The men provided a house‚ the food‚ and often‚ the materials needed for day to day life. As the man worked‚ the roles of the woman were to care and nurture the man‚ keep the home clean and tidy‚ and if any‚ watch after
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structure of these cells is a flying disk shaped like a donut‚ this is so maximum haemoglobin can be carried allowing maximum amount of oxygen to be transported. Sperm cells A sperm cell is the male reproductive cell that carries the male portion of chromosomes and deoxyribonucleic acid (DNA) information to be fused with the female egg or ovum. The sperm cell carries various amount of heredity information inside the cell nucleus. There are various ways in which sperm can be transmitted to the
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Question: Explain the role of Proximity and Globality in effectiveness 1. Executive summary The aim of this assignment was to explain the effect that proximity and globality has on an organizations’ ability to be effective and competitive in its operating environment. Effectiveness is defined a "to have an effect on" (Concise Oxford dictionary) According to the Oxford dictionary "Proximity" is defined as "the closeness‚ near neighborhood or approach’ to a subject. In business proximity is defined
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