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1.2.2 Cell–cell signalling via secreted molecules
This unit explains the general principles of signal transduction and specifically, how even the simplest organisms can detect and respond to events in their ever-changing environment.
Author(s): The Open University

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Except for third party materials and otherwise stated (see http://www.open.ac.uk/conditions terms and conditions), this content is made available under a http://creativecommons.org/licenses/by-nc-sa/2

1.2.1 Cell–cell contact-dependent signalling
This unit explains the general principles of signal transduction and specifically, how even the simplest organisms can detect and respond to events in their ever-changing environment.
Author(s): The Open University

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Except for third party materials and otherwise stated (see http://www.open.ac.uk/conditions terms and conditions), this content is made available under a http://creativecommons.org/licenses/by-nc-sa/2

1.3 Most receptors are on the cell surface
This unit explains the general principles of signal transduction and specifically, how even the simplest organisms can detect and respond to events in their ever-changing environment.
Author(s): The Open University

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Licensed under a Creative Commons Attribution - NonCommercial-ShareAlike 2.0 Licence - see http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ - Original copyright The Open University

Future climate change in China: risks and responses
In this Climate Lite: Declan Conway on China's short and long-term risks from climate change and potential policy responses. Climate Lite -making climate change issues and research easy to digest.
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Episode 4: Stem Cell Research

Professor Loane Skene and Professor Peter Rathjen discuss the debate on stem cell research with Jacky Angus

Guests:
Professor Loane Skene, President of the Academic Board of the University of Melbourne, a member of the Council of the University, and Pro Vice-Chancellor of the University.
Professor Pe
Author(s): up-close@unimelb.edu.au (University of Melbourne)

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Showcase: Oxford Stem cell Institute
Showcase: Oxford Stem cell Institute
Author(s): Paul Fairchild

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Measuring the Immeasurable: The Costs & Benefits of Climate Change Mitigation
Decisions on whether and how much mitigation of the risks of dangerous climate change is justified raises exceptional challenges. In this lecture Professor Garnaut discusses the issues that arise when we measure and compare market and non-market costs with the benefits of climate change mitigation. He explores the value judgements that must be made when comparing welfare of people with different incomes and wealth, living in different countries, at different times. He also looks at how these con
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Is the downturn a good time to start a new venture?
Jeffrey Skinner, Executive Director of the Foundational for Entrepreneurial Management, explains why the recession may be a good time to be an entrepreneur

Lecture 17 - Natural Toxins in Plants and Fungi: The Ecological Biochemistry of Food - Video
The biochemical warfare of nature.
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Lecture 17 - Natural Toxins in Plants and Fungi: The Ecological Biochemistry of Food - Audio
The biochemical warfare of nature.
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How Plants Do it: Light, Oxygen, Action!

Date of Lecture: Tuesday, August 26, 2008 at 7:30 PM

Ever wonder what goes on at SLAC? Here is your chance to find out. The SLAC Public Lecture Series opens the doors to the inner workings of SLAC for the local nonscientific community. Find out what SLAC is all about: the research, the facilities and the people that make this a world-class research institute. Hang around for refreshments after the talks. Physicists will be on hand to chat so bring your toughest que
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Tissue engineering and stem cell technology
A lecture, "Tissue engineering and stem cell technology" given by Prof ZhanFeng Cui, University of Oxford, at the 10th OIBC Spring Symposium, held jointly with the Department for Continuing Education, at St Edward's School, Oxford, on 4 March 2009. Visit http://media.conted.ox.ac.uk/oibc2 to view the full presentation from Prof ZhanFeng Cui, including his slides.
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Tissue engineering and stem cell technology
A lecture, "Tissue engineering and stem cell technology" given by Prof ZhanFeng Cui, University of Oxford, at the 10th OIBC Spring Symposium, held jointly with the Department for Continuing Education, at St Edward's School, Oxford, on 4 March 2009. Visit http://media.conted.ox.ac.uk/oibc2 to view the full presentation from Prof ZhanFeng Cui, including his slides.
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If I were you, I wouldn't start from here: understanding Oxford through its past
Local history lecture, by Chris Day, giving an overview of the history of the University of Oxford. Visit http://media.conted.ox.ac.uk/lh01 to view the full presentation from Chris Day, including his slides.
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If I were you, I wouldn't start from here: understanding Oxford through its past
Local history lecture, by Chris Day, giving an overview of the history of the University of Oxford. Visit http://media.conted.ox.ac.uk/lh01 to view the full presentation from Chris Day, including his slides.
Author(s): No creator set

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The reversal of cell differentiation and prospects for cell replacement therapy
The inaugural Anne McLaren Memorial Lecture, "The reversal of cell differentiation and prospects for cell replacement therapy", given by Prof Sir John Gurdon FRS, University of Cambridge, at Lady Margaret Hall, Oxford, on 7 November 2008. Visit http://media.conted.ox.ac.uk/McLaren-2008 to view the full presentation from Professor Sir John Gurdon FRS, including his slides.
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Diffusion Across a Sheep Red Blood Cell Membrane
This cell membrane physiology laboratory uses sheep red blood cells to determine: (1) the isotonic and hemolytic molar concentrations of electrolytes and nonelectrolytes, and degree of electrolyte dissociation; (2) the diffusion rate of penetrating molecules of varying size and lipid solubility; and (3) the relationship of molecular size, number of hydroxyl groups, and partition coefficient to diffusion rate. Student research teams then design an experiment using the acquired techniques to deter
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Carbon Dioxide Uptake in Plants: A Computer-Aided Experimental System
This exercise introduces students to concepts of photosynthesis at the whole organism level and to computer utilization in biology. Changes in carbon dioxide concentration are measured in environmental chambers using gas analyzers connected to computers. Carbon dioxide changes are graphed in real time as the plants take up CO2. Over a short time, sunflower seedlings show dramatic changes in CO2 uptake when light intensity is altered or color filters are used. Comparison of the resulting graphs w
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Cell Fractionation in Tetrahymena
To illustrate cell fractionation, nuclei are isolated from the ciliated protozoan, Tetrahymena thermophila. A table top clinical centrifuge is used for the fractionation steps and the procedure is monitored microscopically using a differential stain. To determine the efficiency of the procedure, cell and nuclear counts are determined with a hemacytometer. To quantify DNA, the Diphenylamine Reaction is carried out and the amount of DNA per nucleus is calculated.
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Cell Biology and Cancer
Cancers result when genes required for normal cell function are mutated and the resulting cells undergo other changes ultimately leading to uncontrolled division. This session reveals new information on normal cell function, proto-oncogenes and tumor suppressor genes and their role in the cell cycle, and current research in drug design for specific cancers.
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