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Basics of Biology III
What is the importance and function of enzymes? The lock-and-key principle is explained and, based on amylase and katalase, the dependence of reaction speed and intensity of effect on temperature and pH-value can be seen. With microscopic pictures and graphs the structure of animal cells is explained. But their appearance is very different depending on their functions. Nerve cells differ from blood cells just like the latter from sperm cells. A tissue is a combination of many cells that perform specific functions in the body. Any kind of growth of an organism is only possible when new cells are created. The process of cell division is called mitosis. This is then differentiated from the multiplication of reproductive cells, as in them the number of chromosomes must be reduced to half. Impressive shots and graphs illustrate these processes. Together with the extensive accompanying material the DVD is ideally suited for use in the classroom.
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Vaccination
It is only in recent years that a vaccination has existed that is supposed to lower the risk of getting cervical cancer. This vaccination can protect against specific, sexually transmitted human papillomaviruses that are considered one of the causes for cervical cancer.
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World Religions
Since humanity has existed, people have been concerned with the question of the origin of life, how it goes on after death and what the essence of a person's life is. People have always expressed the hope that they are not left alone in their existence and that there is a higher reason that gives them life, protects it and eventually preserves it.
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Mais
Mais ist eine der ältesten Kulturpflanzen der Welt. Ursprünglich kommt er aus Mittelamerika und war dort als Nahrung unentbehrlich. Christoph Kolumbus hat einige dieser Getreidepflanzen auf seinen Schiffen mit nach Europa genommen, so verbreitete sich die Pflanze recht schnell.
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Natural Gas
It provides heat for radiators and for cooking, generates electricity and even drives cars: natural gas is an important energy resource – worldwide, and also here in Germany.
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Earthquakes
For millennia, people have been afraid of earthquakes. A force of nature that regularly devastates whole regions and claims thousands of lives. One reason for the fear of earthquakes may be that so far people have not succeeded in predicting these natural phenomena. Therefore, earthquakes still hit people unprepared in most regions of the world.
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Capitals of Central Europe I
This DVD presents the German-speaking capitals of Central Europe, Berlin, Bern, Vaduz and Vienna. By way of introduction, the pupils learn about the natural and climatic boundaries of the Central European region and which countries it encompasses. Based on this, the film first focuses on the topographic situation of the respective capital of the countries of Germany, Switzerland, Austria and Liechtenstein, and the history of the cities’ foundation is briefly outlined. To illustrate their function as capitals, the government buildings in Berlin, Bern, Vaduz and Vienna are described but the DVD also goes into the respective infrastructural and economic particularities. Impressive pictures and the accompanying material give a lasting account of the growth of the metropolis of Vienna thanks to its favourable geographic situation at the Danube trade route and the Habsburg dynasty. The traces of Berlin’s division into West Berlin and East Berlin are documented, Bern is shown in its special role as federal capital of Switzerland and capital of the canton of Bern, and Vaduz is introduced as small capital of international repute as a financial centre.
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The Danube
With a length of over 2,800 kilometres, the Danube is the second-largest river in Europe. The river, which is to become so mighty, starts out as a narrow brook with the confluence of both its headwater streams Breg and Brigach in Donaueschingen. Before reaching its river delta into the Black Sea, the Danube crosses ten riparian states. On its long way, past important towns and cities, across mountains, wild ravines and broad valleys, lined with forests, fields and vineyards, the Danube connects a plethora of different cultural, economic and living environments.
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UNO
The UNO (United Nations Organization), in German the United Nations, is an international association with headquarters in New York. Since its founding in October 1945, its members have worked to maintain peace and security, respect for human rights and sustainable development.
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MedienLB has been producing award-winning school films and interactive modules for the classroom since 2006.
25 Years of German Unity
After four decades of separation in the course of the East-West conflict, the unity of Germany was constitutionally restored on October 3, 1990. The Peaceful Revolution in the GDR and the willingness of the victorious powers of the Second World War enabled reunification. Special merits were earned by the then Chancellor Helmut Kohl as well as by the Soviet head of government Mikhail Gorbachev. Their negotiations were complicated but remained friendly – although the dissolution of its ally GDR signified a considerable loss of power for the Soviet Union at the time.
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Freight-forwarding and Logistics Service Clerk
The job of a freight-forwarding and logistics service clerk is all about the transport of goods: the storage, selling and shipping of goods must run smoothly – on a national as well as on an international level. This mainly includes planning, controlling and supervisory tasks but also communication with customers and business partners. Planning is the be-all and end-all of the freight-forwarding and logistics trade. Communication with carriers (airlines, shipping or railway companies) is required, suitable routes and means of transport must be chosen, schedules must be determined and finally, the processes must be supervised. In addition, the clerks carry out price calculations, determine costs and revenues, observe offers on the market and take care of technicalities such as insurance cover and customs issues. A good command of foreign languages is therefore essential in this job. And flexibility, too! If problems occur, the clerks need to react quickly and effectively.
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