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Journal : Jurnal Pelangi Ilmu

Struktur Dan Fungsi Protein Kolagen Katili, Abubakar Sidik
Jurnal Pelangi Ilmu Vol 2, No 5, 2009
Publisher : Jurnal Pelangi Ilmu

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Abstract

Protein is a macromolecule having base goods 20 kinds of amino acid. Protein has main role in biological system in every organism, some between it is as catalyst, as conveyor and depositor of other molecule like oxygen, supports mechanically impenetrability system (immunity) body, yields movement of body, as transmitor movement of nerve and controls growth and development. Existence of the biological function becomes base in classification for protein. This article explained about one of type from protein namely collagen. Solution about collagen in this article include;covers special and common of collagen and collagen structure. Conclusion from this article inter alia: collagen is material having strength of spread and structure which is in the form of fibre, collagen is main fibre component in bone, tooth, cartilage, skin layer in derm, tendon cartilage and eyepiece, collagen fibril consisted of polypeptide unit sub called tropokolagen which consist of three polypeptide chains which called helix, existence of collagen that is unsatisfying perfect in the forming can cause disease like scurvy, that marked by venous damage and skin structure.
Penurunan Jasa (servis) Ekosistem Sebagai Pemicu Meningkatnya Perubahan Iklim Global Katili, Abubakar Sidik
Jurnal Pelangi Ilmu Vol 1, No 1, 2008
Publisher : Jurnal Pelangi Ilmu

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Abstract

The increasing of human population growth in the world causes increasingly height of requirement of goods and service. Accomplishment requirement of goods and service will be able to fulfilled if production of the goods and service is done on a large scale. Produce of goods and service requires input raw material obtained from exploitation resources of natures which there in ecosystem. The exploitation causes lowering ecosystem service and that thing experiences affecting globally. Global impact of which can be make a phenomenon, it is called global climatic change. In this article explained about some related of degradation ecosystem service and increasing global climate change. Some the things namely: understanding of global climate change, ecosystem and its component and process, degradation of service ecosystem as caused of human activity and degradation of ecosystem service can increase the global climate change. Conclusion in this article are the of global climate change happened, caused of human activity to exploiting source of natures and that activity done to increase product goods and service.