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Kuliah 1 Membran

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Menggunakan energi cahaya untuk transpor ion.<br />

Halobacterium salinarium, bila hidup anaerob<br />

akan mensintesis bakteriorhodopsin, protein yang<br />

mengadsorbsi cahaya → menginduksi perubahan<br />

konformasi protein dan menyebabkan proton<br />

bergerak dari retinal melalui channel ke protein<br />

terus keluar sel→ gradient ion<br />

Proton diganti dari sitoplasma

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