Biology Exam Review Unit One – Biochemistry What is an isotope? Isotope - An isotope is all atoms of the same element that have the same number of protons‚ but they may have different numbers of neutrons in the nucleus. - This means that all atoms with the same atomic number can have different atomic masses. - Because they have the same number of protons and electrons‚ they behave exactly the same in chemical reactions. Radioisotope - The nuclei of some isotopes of an element are unstable
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Programme title BTEC LEVEL 3 Applied Science Extended Diploma Unit number and title 21 Biomedical Science Techniques Assignment title Microbioology Assessor (receiving the work) Nacho Julve-Larrubia Issue date 09/08/13 Deadline(s) (two groups) Task 1 (U21:P1P2) 23/09/13 and 03/02/14 Task 2 (U21:M1) 30/09/13 and 10/02/14 Task 3 (U21:D1)07/10/13 and 24/02/14 Scenario / Vocational Context To reduce the risk of infectious disease it is important to determine the
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f gogORGANS OF GOVERNMENT ORGANS OF GOVERNMENT Legislature:- There are three main organs of the government. They are: Legislative‚ Executive and Judiciary. These organs exercise different powers and functions. To run the country smoothly these bodies play a vital role. Parliament is the legislative body of the government. Legislative makes law. The country functions on the basis of these laws. The Council of Ministers or government is the executive body
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Polymers have different structures. They also have different functions. Describe how the structures of different polymers relate to their function? Polymers a large molecules made up of a chain of smaller molecules‚ known as monomers. The monomers that a polymer is made up of decide its structure and therefore it’s function. These monomers are linked and coiled in a very specific manor giving the polymer a specific tertiary structure (an extensively coiled and linked polymer chain caused as a
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Ancient forests around the world are in peril‚ but we can still save them. Governments and the timber industry need to understand what a crucial role they play in maintaining global biodiversity‚ not to mention how vital they are in regulating the climate‚ so they need to act now. And as consumers‚ we can all help to save the forests. Making sure that the wood and paper we buy has come from well-managed sources (or‚ even better‚ is 100 per cent recycled) is something we can all easily do. We have
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(Previous) Second (2nd) Semester 2K11/ENS/O7 SUBMITTED TO TEACHER: SIR SAEED AKHTAR ABRO 1 Contents FORESTS OF SINDH: Type of Forests in Sindh Riverine Forests History of Riverine Forests Features of Riverine Ecosystem Specific Features of Riverine Ecosystem FACTORS RESPONSIBLE FOR DEGRADATION OF RIVERINE FORESTS Management Plans REFERENCE: 3 5 5 6 8 8 9 16 20 2 FORESTS OF SINDH: Forest is a valuable resource which contributes significantly to economy and provides environmental stability
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maintain constant internal conditions‚ and evolve. 2. List the levels of life’s organizational hierarchy from smallest to largest‚ starting with atoms and ending with the biosphere. Atoms‚ molecules‚ organelles‚ cells‚ tissues‚ organs‚ organ systems‚ organism‚ population‚ community‚ ecosystem‚ biosphere 3. What are the roles of natural selection and mutations in evolution? The roles of natural selection and mutations in evolution are that natural selection leads to adaptations which help
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"In every sense‚ a standing rain forest supplies more economic wealth than if it were cleared yet deforestation continues at an alarming rate." (Tropical Rain Forest Coalition‚ 1996). Rain Forests have played a significant role in shaping modern biology. The destruction of the rain forests will determine the fate of all species humans plants and animals. Many people do not understand the long- term consequences of losing the earth’s rain forests. They have provided all living beings with many
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Forest Logging on the Environment Ethics and Social Responsibility Monday‚ November 24‚ 2008 The McGraw Hill Online Learning Center defines the term environmental ethicsas a search for moral values and ethical principles in human relations with the natural world. The branch of philosophy that deals with values in general is known as axiology‚ and ethics‚ a subdivision of axiology‚ is more or less concerned with moral values‚ or non- moral values as they relate to moral values. Environmental
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are few legal and business practices which have caused as much controversy and public outcry‚ as privatization of forests. Other than the Ocean‚ forests are maybe the most important system to sustain life on this planet. Forests regulate weather‚ neutralize ecosystems and sustain life to the cellular level. So why would anyone privatize forests? In a nutshell‚ proponents of forest privatization argue that the resources are not being fully exploited. They argue‚ many neighboring nations and people
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