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A growing body of EU law and regulation is preoccupied with the protection of EU citizens from health and environmental risks. Which chemicals are safe and should be allowed on the market? How should the EU respond to public health emergencies, such as Ebola and other infectious diseases? Regulatory responses to these questions confront deep uncertainty, limited knowledge and societal contestation. In a time where the use of scientific expertise in EU policy-making is particularly contested, this book offers a timely contribution to both the academic and policy debate on the role of specialised expertise in EU public decision-making on risk and technology as well as on its intertwinement wit...
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Root hairs are tip-growing cells that originate from epidennal cells called trichoblasts. Their role may be simply thought of as extending the surface area of the root to facilitate absorption of nutrients and water. However, as you will see in this book, the root hair is far more than that. To an increasingly larger number of plant biologists, the root hair is a model cell. It grows in much the same way as a pollen tube, by sending vast numbers of vesicles containing cell wall precursors to a rounded apical dome, the tip. Once the trichoblast becomes committed to root hair fonnation, it no longer divides. The root hair cell has a migrating nucleus and a complex cytoskeleton. It has a varied...
The book Research on Melanoma: A Glimpse into Current Directions and Future Trends, is divided into sections to represent the most cutting-edge topics in melanoma from around the world. The emerging epigenetics of disease, novel therapeutics under development and the molecular signaling aberrations are explained in detail. Since there are a number of areas in which unknowns exist surrounding the complex development of melanoma and its response to therapy, this book illuminates and comprehensively discusses such aspects. It is relevant for teaching the novice researcher who wants to initiate projects in melanoma and the more senior researcher seeking to polish their existing knowledge in this area. Many chapters include visuals and illustrations designed to easily guide the reader through the ideas presented.
Actin is an extremely abundant protein that comprises a dynamic polymeric network present in all eukaryotic cells, known as the actin cytoskeleton. The structure and function of the actin cytoskeleton, which is modulated by a plethora of actin-binding proteins, performs a diverse range of cellular roles. Well-documented functions for actin include: providing the molecular tracks for cytoplasmic streaming and organelle movements; formation of tethers that guide the cell plate to the division site during cytokinesis; creation of honeycomb-like arrays that enmesh and immobilize plastids in unique subcellular patterns; supporting the vesicle traffic and cytoplasmic organization essential for the...
Based on the research findings of 60 years, the author describes the origins of the Agulhas Current, its behaviour, its influence on the adjacent continental shelf, its effect on local weather and its role in linking the Indian and Atlantic Oceans. The text is well-illustrated and includes asides on the history of research on the Current. An exhaustive bibliography gives easy access to present knowledge on this important current system.
Current international development wisdom promotes the inclusion of non-governmental organizations (NGOs) in national-level policy making, in the interest of strengthening state-civil society relationships; supporting locally driven, culturally-sensitive development; and contributing to program and policy innovation. However, critics of increased state-NGO-donor collaboration argue that it actually dilutes the power of NGOs to act in the interest of the local populations they were established to serve. This tension between the local and the global is connected to broader debates about the nature and role of contemporary educational development. Should education aim primarily at preparing citi...