You are asked to justify why your research on plasma membranes is so important. Check all of the following responses that you could provide. Check All That Apply a. research on the plasma membrane helps us understand communication between cells with membrane-bound receptors. b. research on the plasma membrane helps us understand communication between cells with membrane-bound receptors. c. information on the plasma membrane helps us to understand how the shape and structure of a cell are maintained by the membrane. d. understanding the way in which active transport occurs is achieved by studying the plasma membrane's interaction with nutrients. e. understanding the way in which active transport occurs is achieved by studying the plasma membrane's interaction with nutrients.