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7.5 What do neurotrophins do?

Neurotrophins shut down the mechanism of apoptosis. Neurotrophins do this by attaching to receptors in the cell membrane of the innervating axon and activating a cascade of biochemical reactions. The sequence of intracellular events need not concern you. The end result is that enzymes that destroy the cell are not produced and the cell remains alive.


Author(s): The Open University

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Geometric Modeling of Solid Objects by Using a Face Adjacency Graph Representation
A relational graph structure based on a boundary representation of solid objects is described. In this structure, called Face Adjacency Graph, nodes represent object faces, whereas edges and vertices are encoded into arcs and hyperarcs. Based on the face adjacency graph, the authors define a set of primitive face-oriented Euler operators, and a set of macro operators for face manipulation, which allow a compact definition and an efficient updating of solid objects. The authors briefly describe a
Author(s): Ansaldi, Silvia, De Floriani, Leila and Falcidien

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9.1 Field-work risk assessment

Field-work covers a wide spectrum of outdoor activities and takes place in almost every environment present both in the UK and abroad. It is acknowledged that there is an element of risk in much of this work. The Health and Safety at Work Act recognises that risk is inherent in some occupations and seeks to ensure that systems of work are in place to reduce risks to an acceptable level.

There has been increasing concern about the safety of field trips in the light of recent court cases
Author(s): The Open University

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Syrian army says regains control over Damascus suburb
Subscribe: http://smarturl.it/reuterssubscribe The Syrian army says it has regained control over several farms in a Damascus suburb and discovered tunnels used by rebels to move arms and supplies. Jillian Kitchener reports. More from Syria: http://smarturl.it/SyriaAttack Subscribe: http://smarturl.it/reuterssubscribe Reuters tells the world's stories like no one else. As the largest international multimedia news provider, Reuters provides coverage around the globe and across topics including
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1.5 Non-molecular substances

Non-molecular substances defy attempts to pick out discrete molecules from their structures. One example is common salt, NaCl, which is built up from the tiny cubes shown in Figure 10a. Look first at the sodium at the centre of the cube.

Question 7


Author(s): The Open University

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Virtual Maths - 2D Shapes, rectangle
Interactive simulation demonstrating calculation of area of a rectangle
Author(s): Leeds Metropolitan University

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Must-Know Japanese Holiday Words #4 - Coming of Age Day
In this Intermediate lesson, you’ll learn Japanese words about Coming of Age Day. Visit us at JapanesePod101.com, where you will find Japanese lesson notes and many more fantastic lessons and learning resources. Leave us a message while you are here! Learn Japanese with JapanesePod101.com! How would you react if [...]
Author(s): JapanesePod101.com

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Jessica Stern: "Post-Sochi: Where LGBT Rights are Getting the Gold and Getting Prison Terms"
You can find out more at: http://www.iglhrc.org The Atlantic Magazine recently did a story, How Sochi Became the Gay Olympics. Yet, Russian law describes LGBT people as pedophiles. President Museveni of Uganda signed into law a far-reaching bill that sentences "repeat offenders" to life imprisonment and makes it illegal to not report suspected homosexuals to the police. And in the southwestern United States, the Arizona legislature passed a bill that allows businesses to refuse service to anyo
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Sentenced to Change with Piper Kerman
Piper Kerman, author of the memoir Orange Is the New Black: My Year in a Women's Prison, the basis for the Netflix original series, leads a conversation among an inspiring group of formerly incarcerated women who have initiated criminal justice reform. Panelists include Stacey McGruder, founder of Sisters That Been There; Vivian Nixon, Executive Director of the College and Community Fellowship at CUNY; and Tina Reynolds, founder of Women On the Rise Telling Her Story (WORTH) and a leader of the
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Dance

Dance
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Farewell to the A380: Why It Became a Drag for Airbus
Wrong calls on market size and shifts in demand patterns, along with an inflexible design, limited the runway for the world’s largest passenger airliner.
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"U.S.-Cuban Academic Relations Part I: The Politics of U.S.-Cuban Exchanges" (video)
conference posterWayne Smith, Center for International Policy and Louis Pérez, University of North Carolina-Chapel Hill.
U.S. and Cuban scholars involved in academic, scientific, and cultural research face significant difficulties in maintaining open and thorough dialogue with each other due to restrictions governing travel between the two countries. Such

Author(s): The Center for International Studies at the Univer

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Solomon Islands after RAMSI
In 2003 Solomon Islands spiraled into civil conflict over land. It led to a call by the country's Governor-General for international assistance. It came in the form of the Regional Assistance Mission to Solomon Islands (RAMSI). Flash forward 10 years and RAMSI is transitioning from a post-conflict intervention aimed at stabilisation and recovery to the resumption of regular and ongoing bilateral aid. But is this the only change and challenge still facing the fragile state? In this video, Assoc
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Learning spaces: evaluation
A presentation which provides an overview of key research questions relating to the development of fit for purpose learning spaces
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2.2 Opportunities for creativity and personal development

Hubbard et al. (2003) identify that within institutional care settings, social relationships among older people are important for supporting residents. They note that older people with the most severe disabilities, and those for whom communication is most difficult as a result of sensory or cognitive impairments, are particularly likely to experience social and emotional isolation in care settings. Within care homes, strategies for establishing and sustaining relationships among residents and
Author(s): The Open University

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4 How Darwin has influenced others

The link below will take you to a timeline of psychologists. If you scroll down the list of people in the left-hand column and click on Darwin's name you will see from the link how influential Darwin’s work was on others that followed, for example Freud, Pavlov, Dawkins. Read some background on Darwin from this page and then you may wish to click on the other people highlighted on this page to see the relevance and impact on their work, theories and ideas from Darwin’s original theory.
Author(s): The Open University

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6.1 Introduction

Measurements of thermoregulation, respiration and metabolic depression in the edible dormouse (Myoxus glis) during the early stages of torpor, hibernation and aestivation, indicate remarkable similarities in the profile of physiological changes for all three adaptive phenomena, suggesting that they are controlled by essentially the same mechanism. The capacity for adaptive hypothermia in animals is clearly determined genetically and is manifested in cells from many different tissues. N
Author(s): The Open University

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Student experiences of enterprise education
This report outlines data collected from students across a broad range of subject areas across all Faculties of Leeds Met University. This data was generated in response to a questionnaire designed to obtain information on students experiences of enterprise education
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2.4 Keyboard and mouse alternatives

Described image
Figure 11 An ergono
Author(s): The Open University

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1 Evolution and natural and artificial selection

In this course, we describe the theory of evolution by natural selection as proposed by Charles Darwin in his book, first published in 1859, On The Origin of Species by Means of Natural Selection, or The Preservation of Favoured Races in the Struggle for Life. We will look at natural selection as Darwin did, taking inheritance for granted, but ignoring the mechanisms underlying it.

Author(s): The Open University

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