Scientists at Pacific Northwest National Lab are studying the production of lipid metabolites by fungi. These metabolites are produced by the oxidation of simpler lipids by cytochrome [SIGH-tow-krohm] P450 enzymes in what double-membrane-bound organelle?
SMOOTH ENDOPLASMIC REticulUM (ACCEPT: ENDOPLASMIC REticulUM, ER; DO NOT ACCEPT: ROUGH ER)