proteinak
TRANSCRIPT
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PROTEINAK
•Aminoazidoen polimeroak dira.
•20 Aa ezberdin daude. Hauek konbinatuz miloika proteina eratu daitezke.
•Jaten ditugun proteinen liseriketatik lortzen ditugu beharrezko Aa-k.
•Izaki bakoitzak bere proteina espezifiko ditu.
•Proteina baten balio biologikoa bere baitan dituen Aa ezberdin kopuruaren mende dago.
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Aminoazidoak
Erradikala desberdina da aminoazido bakoitzean eta bere ezaugarriak
baldintzatuko ditu
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20 aminoazido ezberdin
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LOTURA PEPTIDIKOA
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Proteinen egitura primarioa
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Proteinen funtzio entzimatikoa
http://web.educastur.princast.es/proyectos/biogeo_ov/animaciones/indice_anim.htm#BIOLOG%C3%8DA%20%20DE%202%C2%BA%20de%20BACHILLERATOModelo comparativo de la disminución de la energía de activación por la acción de la enzima.
Enzima
Substrato
Producto
1) La reacción no se produce pues hace falta una energía de activación para que transcurra espontáneamente.
2) La enzima disminuye o elimina la energía de activación necesaria y la reacción transcurre espontáneamente.
Katalizatzaile lana burutzen dute
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Erreakzio entzimatiko baten eskemahttp://web.educastur.princast.es/proyectos/biogeo_ov/animaciones/indice_anim.htm#BIOLOG%C3%8DA%20%20DE%202%C2%BA%20de%20BACHILLERATO
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http://www.stolaf.edu/people/giannini/flashanimat/enzymes/enzyme.swf
Entzimen espezifikotasuna