A cell membrane, composed of phospholipids, is selectively permeable. Which major theme in biology does this statement represent? a) DNA transcribes into RNA, and RNA translates into proteins. b) Structure relates to function. c) All living things require an energy source. d) All organisms share seven basic characteristics.
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b) Structure relates to function.
The statement that a cell membrane is composed of phospholipids and is selectively permeable relates to the major theme in biology that "structure relates to function." This means that the way something is structured or built contributes to and is directly related to what it can do or its role in an organism.