The CELL THEORY‚ or cell doctrine‚ states that all organisms are composed of similar units of organization‚ called cells. The concept was formally articulated in 1839 by Schleiden & Schwann and has remained as the foundation of modern biology. The idea predates other great paradigms of biology including Darwin’s theory of evolution (1859)‚ Mendel’s laws of inheritance (1865)‚ and the establishment of comparative biochemistry (1940). Ultrastructural research and modern molecular biology have
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PLANT CELL Introduction Plant cell is the basic unit of structure and function in nearly all plants. The range of specialization and the character of association of plant cells are very wide. In the simplest plant forms a single cell constitutes a whole organism and carries out all the life functions. In just slightly more complex forms‚ cells are associated structurally‚ but each cell appears to carry out the fundamental life functions‚ although certain ones may be specialized
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while heavily investing in alternative energy sources at higher costs." ~ Charles T. Maxwell‚consultant to various oil companies and the US Government Essential Learning: To evaluate what factors contribute to how a society chooses to use energy resources‚ keeping in mind the availability and culture as well as the social‚ economic‚ political and environmental implications. CH 12 Turbine Generator Turbogenerator Secondary energy source Primary energy source Renewable resources Nonrenewable
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Effective Presentations In order to deliver a passionate‚ charismatic presentation‚ it is necessary to carefully rehearse and prepare beforehand. As introduced by “Preparing to Be Real‚” there are several strategies during rehearsal which can help better connect the speaker with the material and his/her charisma: (1) find and rehearse its essence‚ by running through the high-level structure of the speech in a short duration (learning what’s important and what’s not)‚ (2) focus on the opening
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SOME TOPICS FOR ORAL PRESENTATION 1. Maths and Science should be taught in English 2. People should be given the freedom to smoke 3. Chin Peng should be allowed home to Malaysia 4. Tuition centers should be closed down 5. Courses in universities should concentrate on students’ core fields only 6. Peaceful demonstrations should be allowed 7. English should be the official language. 8. The news should be interesting rather than important. 9. Shop at home
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GRAMMAR PORTFOLIO 1 1. Simple past tense The definition of simple past or past simple‚ sometimes their called as the preterite‚ is the basic form of the past tensein Modern English. It is used principally to describe events in the past‚ although it also has some other uses. In addition‚ The simple past tense usually means that this action ended in the past. Simple past can be used for most past actions; we can use it for • actions that happened quickly‚ • actions that happened
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VIDEO GAMES ADDICTION: POSITIVE AND NEGATIVE EFFECTS OF PLAYING VIDEO GAMES ON YOUTH AND CHILDREN Master’s (one year) thesis in Informatics (15 credits) Usman Ahmed Inam Ullah Spring 2013MAGI01 Title: Year: 2013 Author/s: Abstract: Mankind has developed a lot in the field of Information Technology (IT)‚ Computer Science and Media entertainment. Video games are also the most popular form of media entertainment and gaming environment. It has been popular long before the
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com What to Look for in a Video Conferencing System What to Look for in a Video Conferencing System Video conferencing has become “the next best thing to being there” for many businesses. Facilitating face-to-face collaboration for people who are in different locations‚ it can help businesses increase productivity while saving money on business travel expenses. With video conferencing‚ you can still have dynamic “in-person meetings” and “live” presentations and events – even if you’re on
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Presentation In Physics Objectives: 1. To answer the following questions: What is an investigatory project ? Why do 4th year students make an investigatory project ? Why did we choose our investigatory project ? To defend our investigatory project. What is an investigatory project ? An investigatory project is also known as an experimental project and is one which is used to show how something might happen if certain conditions are added to it. It can also be used to investigate why
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EFFECTIVE PRESENTATION Introduction Presentation is the practice of showing and explaining the content of a topic to an audience or learner. The term „presentation‟ is capable of giving butterflies-in-thestomach. This is because while making a presentation we are exposed to our audience‟s judgment and this is a frightening thought for most. While experience and command over the subject can make a great deal of improvement to a presentation‚ a quick reference to the right presentation skills resources
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