Sodium gives electrons when reacting with a substance such as Chloride instead of sharing electron in a reaction such as the Hydrogen and Oxygen forming water molecules can be found in the type of bond in each example reaction. Before I can identify the contrasting characteristics of each reaction‚ I must first acknowledge the reason atoms react with one another in the first place. Each element has a certain number of valence electrons‚ an example being Sodium having one valence electron. When elements
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Active transport: requires that a cell expend energy to move molecules across a membrane against the solute’s concentration gradient (the side where it is more concentrated) Feedback inhibition: Metabolic reaction is blocked by its products. A product acts as an inhibitor of one of the enzymes in the pathway to regulate metabolism. Centriole: a structure in an animal cell composed of microtubule triplets arranged in a 9+0 pattern. An animal usually has a pair of centrioles within each of its centrosomes
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TRANSPORT IN MAMMALS Blood is a connective tissue and every connective tissue consists of cell‚ ground substance or matrix and fibres. For blood‚ it has cells‚ matrix in the form of plasma and fibres in the form of fibrin. In transportation‚ the surface area to the volume ratio of organisms contributes to the rate of movement of materials. For example in Hydra‚ and flat worms‚ the ratio is so high so simple diffusion can allow substances to reach all tissues easily. If the ratio is low‚ in mechanisms
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Give the term to the following definition 1. Carrier – company that transports or conveys goods – экспедиционная компания 2. freight forwarder - person or business that arranges documentation and travel facilities for companies dispatching goods to customers – транспортная компания 3. Supplier - company which supplies parts or services to another company; also called vendor 4. haulage contractor/haulier - company which carries goods by road 5. courier - company
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the private label personal care industry? HPL is a major player in private label personal care industry. Private labels hold around 19% (around $4 billion) of personal care industry (around $21.6 billion). HPL holds approximately 28% share of this private label personal care market. Even though HPL is a small player in overall private label market with the revenues of approximately $700 million compared to overall private label market of $70 billion HPL is a major player in private label personal care
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cross section with a radius of 1.25 mm. (a) If the wire carries a current of 3.70 A‚ find the drift speed of the electrons in this wire. 3. An aluminum wire having a cross-sectional area equal to 4.00 10–6 m2 carries a current of 5.00 A. The density of aluminum is 2.70 g/cm3. Assume each aluminum atom supplies one conduction electron per atom. Find the drift speed of the electrons in the wire. 12. A lightbulb has a resistance of 240 when operating with a potential difference of 120 V across
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------------------------------------------------- Transport in India From Wikipedia‚ the free encyclopedia The Mumbai-Pune Expressway‚ India ’s first expressway The Bandra Worli Sea link‚ with Worli skyline Transport in the Republic of India is an important part of the nation ’s economy. Since the economic liberalisation of the 1990s‚ development of infrastructure within the country has progressed at a rapid pace‚ and today there is a wide variety of modes of transport by land‚ water and air. However‚ India
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Structure of Travel and Tourism Assessment 2: Part A: How the Hospitality and Transport sectors have been developed historically? * Hospitality: The historical development of hospitality has been developed for more than2000 years. There are normally 3 different types of hospitality‚ which are: i) hostels ii) motel and iii) hotel. There is also self-camping facility for people staying and living in the campsites. The first early travelers were either warriors or traders or people who
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Introductory Chemistry‚ 2e (Tro) Chapter 9 – Electrons in Atoms and the Periodic Table True/False Questions 1) When the elements are arranged in order of increasing number of protons‚ certain sets of properties recur periodically. 5) A particle of light is called a packet. 9) Ultraviolet light produces suntans and sunburns. 13) Electrons behave like particles and we can describe their exact paths. 17) The ground state is when an electron in an atom is excited into the lowest possible vacant orbital
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Individual Assignment J.J. Thomson – Discovery of the electron Table of Contents Introduction 2 Biographical information 3 Background information 4 Experimental information 5 Impact 6 Conclusion 7 J.J. Thomson – Discovery of the electron Introduction The discovery of the electron is affirmative and justly credited to the English physicist Sir Joseph John Thomson (Weinberg‚ 2003). He had found and identified the electron in Cavendish Laboratory‚ Cambridge in 1897. From many
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