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3.1 What does TCP/IP protocol architecture do?

The Internet is a worldwide public internetwork, which allows computers to communicate with each other even though they may have different manufacturers and different operating systems. The origins of the Internet lie in a project of the US Defense Advanced Research Project Agency in the 1970s, where it was intended to foster communication between research institutions rather than operate for profit. However, a substantial amount of traffic carried by the Internet is now related to com
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01B - Introduction à la culture numérique (CN16-17) (suite) (audio)

Cours commun de culture numérique 2016-2017 - Hervé Le Crosnier

Cours commun M1-DNR2i, Licence Professionnelle ATP, M1-EMT, M1-ESPE, M2-MDS, M2-Green

Cours 1
16 septembre
- Introduction : qu’entend-on par culture numérique

Cours 2
23 septembre
- Histoire technique et sociale de l'informatique et de l'internet

Cours 3
30 septembre - Le ...
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5 Where does transcription occur in the cell?

Up to now we have described the processes of transcription without considering where each occurs within the cell.

SAQ 5

Given that transcription — the production of mRNA — requires a DNA template, where do you think t
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2.5 Obesity and ageing

So, it seems that a part of the explanation for Ron's obesity, and the health problems that have led him to seek medical advice, may relate to the environment in which he is living, and more specifically the diet that he has chosen. It may also be a diet that is especially effective in activating the reward circuits in Ron's brain. However, Ron is also in his later middle age. A longitudinal study of people of this age in the USA suggests that average body weight increases by 1–2 kg per dec
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3.5 Summary

Phenomenologists focus on how bodies are experienced at a subjective and intersubjective (relational) level. Phenomenological psychologists seek to transcend the mind-body dualism, arguing that all we have is an intelligent body, with the body and mind one and the same: not simply biology; we are our body and, through this, perform selfhood. This bodily experience is also often pre-reflective and extra-discursive – we experience and use our body before we think about it. And it is through u
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355 GG Subject Object
Why "I love you" is the easiest way ever to remember the difference between subject and object.
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Hepatocellular Carcinoma in Olmsted County, Minnesota, 1976-2008.
By: WentzMR Dr. W. Ray Kim, Associate Professor of Medicine and Hepatologist at Mayo Clinic in Rochester, MN, discusses his article appearing in the January 2012 issue of Mayo Clinic Proceedings, reporting on a 2-fold increase in the incidence of liver cancer during the past 3 decades, primarily in conjunction with the rate of hepatitis C infection. Available at: http://www.mayoclinicproceedings.org/article/S0025-6196(11)00004-8/fulltext
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[title of show] at George Street Playhouse | 11/15/10
[Title of Show] is about two guys writing a show – Hunter Bell and Jeff Bowen – who really did write and star (as themselves) in the show, which ended up on Broadway with 3 Obies! It’s a show about four friends taking risks, creating art, killing Vampires (the dream-destroying kind, not the Dracula kind) — and how relationships change when life happens. Now, [Title of Show] is at the George Street Playhouse from 11/16-12/12/2010. Susan Wallner talks to director Matt Lenz and to actor Tyl
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Hoover Dam and Hydroelectric Power Plant Tour Part 2
This is a series of video clips taken when visiting the Hoover Dam and Hydroelectric Power Plant back on December 28, 2008. Hoover Dam is located at Lake Mead at the Arizona and Nevada State line and just East of Las Vegas on US Highway 93. The highway goes over the dam, but a by pass bridge is being built across the Colorado River just down stream from the dam due to be completed in September of 2009.
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Sinking of the Lusitania
In this clip from the Discovery Channel’s special "Sinking of the Lusitania," learn the world wide reaction to the sinking of the British ship. (02:17)
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Rupinder Brar on Relativity, Einstein, and How to Stay Young
Rupinder Brar lectures on the topic of Einstein's special relativity theory and it's explanation of time dilation and simultaneity. The lecture is entitled Relativity, Einstein, the Speed of Light and How to Stay Young.
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2.10 Selenium (Se)

Selenium is found in the body in an important group of enzymes (glutathione peroxidases) which have important antioxidant properties and work in conjunction with vitamins C and E to destroy free radicals in cells. Some studies have shown that a higher selenium level is linked to a lower risk of breast, prostate and colon cancer, which may in part be due to selenium's antioxidant function. Other selenium-containing proteins help to regulate thyroid function and play a role in the immune system
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A Sham Recovery
Interviewed by host Alan Butler, Mark Thornton discusses a wide variety of timely topics.

2.3 Multiplying powers

Powers of ten can be used to investigate what happens when two powers of the same number are multiplied together. For example, consider multiplying 10 by 100:

A billion is a thousand million. In terms of powers this is:

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Valley Forge, 1777 (The American Revolution)
When the Continental Army made camp at Valley Forge during the American Revolution, times were tough. The winter was bitter cold, and there was disease and hunger. (01:30)

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4 From DNA to RNA: transcription

In the process of transcription, the information in a gene, i.e. the DNA base sequence, is copied, or transcribed, to form an RNA molecule. RNA is therefore an intermediary in the flow of information from DNA to protein. Before we consider the details of transcription, we will first look at the structure of RNA.

The name ribonucleic acid suggests that RNA is chemically related to DNA. Like DNA, RNA is a chain of nucleotides.

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Module team

The Open University course team

Course Team Chair of Production

Gillian Rose, Professor of Cultural Geography

Course Team Chair of Presentation

Chris Brook, Senior Lecturer in Geography

External Assessor

Peter Jackson, Professor of Human Geography, University of Sheffield

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1.3 People involved in parenting

Another interesting question remains: can only a parent or parents provide these necessities? (We are leaving on one side for the moment the issue of which parent.) Clearly the answer has to be no. There are many examples of people involved in parenting who are not a child's parents. For example:

  • step-parents

  • grandparents

  • aunts and uncles

  • brothers and sisters

  • friends


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#253: Sedimental journey: Probing climate's buried past to predict our future

Paleoclimatologist Prof Jonathan Overpeck describes how research into uncovering the earth’s climate history generates important insights about our climate future. Presented by Dr Shane Huntington.