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Las biomoléculas
OpenStax College
Al final de esta sección serás capaz de: Describir la importancia del carbono y por qué este elemento es crítico para la vida. Explicar el impacto que producen en el […]

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3.4 Arousal

We can identify three types of arousal during the hibernation period, on temporal rather than physiological grounds. The first is alarm arousal, in response to a major exogenous stimulus such as a sudden large drop in environmental temperature. The second is a periodic arousal when, in the absence of external cues, the animal spontaneously begins to re-warm. The third is the final arousal in the spring when the animal does not re-enter hibernation but emerges to a sustained euthermia. Physiol
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Introduction

This unit explores different understandings of nature and environment and the significance these may have for developing responsibility. The problems of connecting human and non-human nature are presented here as being a challenge peculiar to the concerns of environmental responsibility. They provide the impetus for exploring the idea of ‘conversation’ as a metaphor for what matters in environmental responsibility. Using a reading by Stephen Talbott as a foundation, the conversation me
Author(s): The Open University

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8.4.2 Closed-loop control

Very often in the manufacture of microsystems, the etching steps are meant to remove a layer of material entirely from within the areas defined by the mask pattern. This offers the opportunity to detect the moment the etch is complete by spotting a change in composition of the reaction products from the etching. This is particularly useful in dry etching, where very small numbers of molecules can be detected using optical or mass-spectrometry-based residual gas analysis. Gaseous reaction prod
Author(s): The Open University

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12.1.1 Survey questionnaires

Questionnaires are lists of questions that enable information to be gathered efficiently from a relatively large number of respondents. Most questionnaires require a fixed type of response, such as a choice between available answers, or along a scale of response. For example, a product design questionnaire might suggest, ‘I found the product easy to use’ and provide a five-point scale of response from ‘agree strongly’ to ‘disagree strongly’. Or a question might be, ‘how often do
Author(s): The Open University

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1.2 1.2 What does this unit cover?

This unit offers some responses to these questions by outlining the variety of regions and regionalisms, their growth and its causes, their development in the EU context, and different future scenarios. Section 2 attempts to define ‘region’ and ‘regionalism’ in the face of their extreme cultural, economic and political diversity. Region
Author(s): The Open University

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Except for third party materials and otherwise stated (see terms and conditions), this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 2.0 LicenceCopyright © 2

Exercises on Section 1

Exercise 1

  • (a) How many characters are there in the string “This text.”?

  • (b) Which of the following are integers: 3, 0, 98, 4, –22,Author(s): The Open University

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3.5 Establishing Ethernet standards

The first Ethernet network was developed in the early 1970s, long before the days of the World Wide Web and personal computers (PCs). It was designed by researchers at the Xerox Palo Alto Research Centre in California, USA to connect the Centre's 'Alto' computers to an office printer.

Ethernet's journey from its modest roots to become the dominant network technology is a fascinating one. One of the main reasons for its success lies with the decision to publish the standard. Standards th
Author(s): The Open University

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1.2.3 Working with percentages

Table 1 used percentages, rather than actual numbers, to compare the number of people using the internet for each purpose. Numbers are expressed as if they are 'out of a hundred' when using percentages, which makes it easier to compare different values. You can recognise percentages by the % symbol which you can see at the top of the right-hand column of Table 1.

As you can see from halfway down the table, 50% of the people who had used the internet in the previous 3 months used it for
Author(s): The Open University

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Mapping New World Peoples in Renaissance Europe
Kislak Fellow Surekha Davies discusses how Renaissance mapmakers devised distinctive motifs for the inhabitants of different parts of the Americas. For transcript, captions, and more information, visit http://www.loc.gov/today/cyberlc/feature_wdesc.php?rec=6643
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Stem Cell Connectivity {Duke University Research}
A Duke University team has discovered how stem cells build long, slender structures that may ferry signals from one place to another, connecting the stem cell to the critical information it needs about its neighbors and its environment. In a March 2015 paper, the team has demonstrated that the structures convey myosin molecules which are known to carry signaling molecules. Assistant research professor Joshua Snyder explains the work in this video. Website: http://duke.edu YouTube: http://youtub
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Force
Alina Slavik

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Religious Conflict
Michel Clasquin-Johnson
What are the roots of religious conflict? This module sets out to find them.
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Introduction
OpenStax College

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Romeo Dallaire and Stephen Lewis on Child Soldiers
Drawing on their vast experiences and first-hand knowledge, distinguished humanitarians Senator Romeo Dallaire and Stephen Lewis, enter into a dialogue about the issues that they have committed their lives to: the eradication of the use of child soldiers and stopping the HIV/AIDS pandemic in Africa. Their discussion, moderated by journalist Anna Maria Tremonti, was organized by PEN Canada.
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Ian Hacking on The Biosocial Being
Philosopher Ian Hacking delivers the 2011 Ioan Davies Memorial Lecture entitled Who Are You? The Biosocial Being. The lecture took place at York University on November 14, 2011.
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UW Boxing Club
The UW Boxing Club has made a name for itself by taking on some of the toughest teams in college sports. Meet coach Christopher Mendez and his determined and dedicated team of student athletes. Christopher Mendez, head coach, UW Boxing Club 04/26/2015 uwtv.org/uw360
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UT News - April 20, 2015
In today's UT News - -The first event in the Tie One On Cancer Awareness Lecture Series will take place this Thursday -Artwork is on display in the Mulford Library -Visit myUT.utoledo.edu for all campus news
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Rockethon Raises over $100,000
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Vector Addition and Subtraction: Analytical Methods
Julia Liu

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