【单选题】Several steps in the path of oxygen reduction in mitochondria have the potential to produce highly ______________________ that can react with and damage enzymes, proteins, membrane lipids, and nucleic...
【判断题】Because lipids do not dissolve in water, they can form the thin membrane barriers that keep the aqueous interior of the cell separate from the surrounding aqueous environment.
【单选题】A cluster of amphipathic helices in GLUT1 are arranged so that their polar sides face each other and line a ________________ through which glucose can pass, while their hydrophobic sides interact with...