Download - ENZIM
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ENZIM
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DEFINISI
• Bahan protein yg bertdk sbg mangkin organik utk mempercepatkan tdkbls biokimia.
• Tdkblas biokimia – metabolisme• Utk pembinaan sebatian kompleks drpd
seb ringkas.• Utk penguraian seb kompleks kpd seb
ringkas.
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CIRI UMUM ENZIM• Sbg mangkin organik utk
mempercepatkan tdkblas biokimia.• Tindakan enzim spesifik terhdp satu jenis
substrat shj.cth enz. Sukrase bertdk terhdp sukrosa, maltase- Maltosa.
• Tdkbls dimangkinkan boleh berbalik. Lemak + air enz. Lipase asid lemak + gliserol.
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• Tdkan d pengaruhi oleh perencat- bhn kimia yg melambat/menghentikan tdkbls- cth ion Ag, ion Pb.
• Sesetengah enz. Perlu kofaktor- bhn kimia yg diperlu bergabung sebelum tdkbls.cth bbp ion logam & vitamin.
• Di perlu dlm kuantiti yg sedikit• Tdk dimusnahkan- boleh recycle
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PENAMAAN ENZIM• Nama mengikut substrat yg bertdk dgnnya
–ase. Cth. Maltase – maltosa - glukosa. Sukrase – Sukrosa - glukosa.
• Enz. Spt pepsin, renin & tripsin tidak mengikut sistem ini.
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TAPAK SINTESIS ENZIM
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