3.3 Division Division is probably the most awkward of the four arithmetic operations. Since you may have a calculator, you do not need to be able to carry out complicated divisions by hand, but you do need to carry out simple divisions in order to check your calculator calculations. Division is the reverse process of multiplication. The quantity 12 ÷ 3 tells us how many times 3 goes into 12. Since 4 × 3 = 12, 12 ÷ 3 = 4. 2.4.3 Sulfur (S) Most proteins contain about 1% sulfur, which occurs in the side-chains (R groups) of two of the protein-forming amino acids, methionine and cysteine. Cysteine is particularly important in proteins such as collagen (found in bone, tendons, cartilage and skin) and keratin (found in hair and nails, as well as skin). 3.5 Wavelength multiplexing and demultiplexing Wavelength multiplexers and demultiplexers are needed in order to be able to use wavelength division multiplexing. With just two wavelengths, the multiplexers and demultiplexers can be based on directional couplers because, as mentioned earlier in Section 3.2, couplers are naturally wavelength-de Conclusion This free course provided an introduction to studying People, Politics & Law. It took you through a series of exercises designed to develop your approach to study and learning at a distance and helped to improve your confidence as an independent learner. Acknowledgements Except for third party materials and otherwise stated (see terms and conditions), this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence Grateful acknowledgement is made to the following sources for permission to reproduce mat Academic research on student engagement - lost formulae to inspiring students 2.2.2 Energy and conservation Newtonian mechanics is concerned with explaining motion, yet it contains within it the much simpler idea that some things never change. Take the concept of mass, for example, which appears throughout Newtonian mechanics, including the law of gravitation. In Newtonian mechanics, mass is conserved. This means that the mass of the Universe is constant and the mass of any specified collection of particles is constant, no matter how much rearrangement occurs within the system. A chemist might take World War I: Germans Attack U.S. Navy Boats Warwick Scientists use Nuclear Magnetic Resonance to Understand “Glass Bones” Acknowledgements Except for third party materials and otherwise stated (see terms and conditions), this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence Grateful acknowledgement is made to the Child Poverty Action Group (CPAG) for permission to u The Organ of Corti 7.3 Drafting essays As you may remember from Activity 4, the main elements of an essay are: the introduction the main body the conclusion. Keep on learning   There are more than 800 courses on OpenLearn for you to 1.1.5 Late-onset single-gene disorders An individual might know that a late-onset disease such as Huntington's disease (HD) is present in their immediate family and that they might have inherited the disease gene(s). The problems of genetic testing for HD revolve around the fact that it is pre-symptomatic. One dilemma is the long delay between testing positive and developing the clinical symptoms of the disorder in middle age. Is it better not to know and live in hope, or as one victim cried ‘get it over, I'm so tir 6.3 What is the main requirement for regional government? Is it a shared identity? If we compare the UK with other Western democracies such as Spain, Italy or Germany – all endowed with decentralised structures allowing various degrees of political autonomy for their regions – we discover that strong regional identity, as in Catalonia, the Veneto and Bavaria, is always a very important feature. However, some newly created regions such as La Rioja and Madrid in Spain also exercise devolved powers. What unites them is a common interest; the belief that regional government Nick Bostrom on Global Catastrophic Risk and Simulation Theory 8 Paired samples T-Tests This activity introduces the paired samples t-test. It is also known as the ‘within participants’ or ‘related’ t-test. It is used when your design is within pa 5 Designer babies? A character under genetic influence where the distinction between treatment and enhancement is hard to draw is height. Treatment of short stature – with human growth hormone made in genetically manipulated bacteria – has already given rise to controversy about how short a child needs to be for treatment to count as meeting a medical need. That is, how tall is tall enough? As we identify genes that have effects on many other human characters, from appearance to, perhaps, intelligence Acknowledgements Except for third party materials and otherwise stated (see terms and conditions), this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence Grateful acknowledgement is made to the following sources for permission to reproduce materia 4.6 P is for Provenance The provenance of a piece of information (i.e. who produced it? where did it come from?) may provide another useful clue to its reliability. It represents the 'credentials' of a piece of information that support its status and perceived value. It is therefore very important to be able to identify the author, sponsoring body or source of your information. Why is this important?
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This paper shows academic tutors take on a multitude of roles in their current positions at university and while teaching is expected, from most, it is often assumed that the tutor will apply appropriate pedagogical tools to convey knowledge to the students. This view is now being challenged as many students are being actively encouraged to voice their views of the teaching and learning experience this paper shows
In this History Rewind video clip, take a step back in time to the beginning of World War 1. The repeated sinking of American ships caused President Wilson to declare war. Watch the historic black and white footage of some of the attacks, but there is no sound so it lacks depth.
Scientists at Warwick University have helped discover the secret behind a new bioglass that will change the way we treat broken bones. Professor Mark Smith talks about this new research and the benefits of the collaborative effort between Warwick University, Imperial College London, and the University of Kent.
Situated in the spiral-shaped cochlea of the inner ear is the organ of Corti. Only one inch long if uncoiled, it bears about twenty-five thousand sound receptor cells with hairlike projections arranged in rows on the basilar membrane. Diagrams show detailed structure of the organ of Corti. Grades 5-12. 1 min.
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In this podcast, Professor Bostrom, Director of the Future of Humanity Institute, discusses global catastrophic risks and his earlier work on the simulation theory.
Activity 7
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