The cell is the fundamental structural unit of all living organisms. Some cells are complete organisms‚ such as the unicellular bacteria and protozoa; others‚ such as nerve‚ liver‚ and muscle cells‚ are specialized components of multi-cellular organisms. Cells range in size from the smallest bacteria-like mycoplasmas‚ which are 0.1 micrometer in diameter‚ to the egg yolks of ostriches‚ which are about 8 cm (about 3 in) in diameter. Although they may differ widely in appearance and function‚ all cells
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Cells‚ Cell Division‚ and Cell Specialization Fundamentally Different Types of Cell Prokaryotic Cell- single celled: only DNA+ structure (“before nucleus”) E.g. zygote-complete DNA Eukaryotic Cell-multi-celled (“after nucleus”) Prokaryotes Eukaryotes DNA In “nucleoid” region Within membrane-bound nucleus Chromosomes Single‚ circular Multiple‚ linear Organelles None Membrane-bound organelles Size Usually smaller Usually larger- 50 times Organization Usually single-celled Often multicellular
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23/01/2013 GUIDELINES FOR ON-THE-JOB TRAINING On-the-job training (OJT) is an integral part of the 24 months MBA programme of SOM‚ KIIT University. The period for the training is two months‚ tentatively from May 1st to 30th of June‚ 2013. Students are not allowed to change the organization of training assigned to him/ her without prior written permission of the Dean/ OJT Coordinator. In case such a thing happens the OJT project will be considered invalid. 1. Objectives of the OJT: 1
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behind Energy Drinks 1. When we say that something gives us "energy”‚ what does that mean? What is a biological definition of energy? When we say that something gives us “energy” it means we can get sugars or carbohydrates and lipids from that. Humans need to eat carbohydrates and lipids to provide fuel for our body’s metabolism. Human body must have these chemicals in order to function and different food sources provide different types of energy. The biological definition of energy is the
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all living organisms exposed to oxygen. Hydrogen Peroxide and Sodium Hypochlorite Hydrogen peroxide is in bleaches too‚ but only the mild ones‚ which is the non-chlorine bleaches. Since only hydrogen peroxide isn’t very strong‚ other products usually use other chemicals to make the reaction and results more effective‚ for example; sodium
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Presentation Presentations are ways of communicating ideas and information to a group. A presentation carries the speaker’s personality better and allows immediate interaction between all the participants. A good presentation contains at least four elements: * Content — It contains information that people need. But unlike reports‚ which are read at the reader’s own pace‚ presentations must account for how much information the audience can absorb in one sitting. * Structure —
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Chapter 7: (Only what is covered in lecture by Feb. 15th) Cellular Respiration – general reaction equation‚ 4 stages of glucose metabolism Know structure/functions of mitochondria and where the 4 stages occur Know starting materials and final products of all four pathways Know how much ATP‚ NADH‚ and FADH2 are made in each stage starting with 1 glucose molecule Know what is meant by an electron transport chain and how it is used to make ATP (sets up a proton gradient. . .) Know the
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world modern food retail scene and we have a lot to go. The future for the Bangladesh modern food retail industry is promising and it is also article attempts to identify where Bangladesh is in the world in terms of the modern the rest of the world and what lessons we can take to grow the industry in Bangladesh. The term ’modern trade’ is used to describe the super store business‚ as it is modern in comparison to the unorganised retail shops and the wet market. The importance: The importance given
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Eco – Tourism: Steps Towards Sustainable Tourism Development in Nepal 2004 1 Eco – Tourism: Steps Towards Sustainable Tourism Development in Nepal Eco-tourism is a logical component of eco-development. It is a complex and multidisciplinary phenomenon and has a tremendous role to play in the interpretation of nature and natural resources‚ as well as in the understanding of human history and its interaction with the rural environment‚ and the diffusion of environmental knowledge and awareness
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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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