In pancreatic beta cells the membrane spanning sugar importing [ Select ] ["cotransporter", "carrier/channel"] has [ Select ] ["higher", "lower"] Km for glucose than those found in muscle cells. Increases in the rate at which this step occurs lead to [ Select ] ["succinate dehydrogenase", "phosphofructokinase (PFK)", "RUBISCO", "glucokinase", "increased", "hexokinase", "expansins", "decreased"] ACTIVITY of a channel that allows [ Select ] ["fructose", "potassium", "glucose", "calcium", "sodium"] to [ Select ] ["expunge", "enter", "impugn", "exit"] the cell. Changes in this channel activity alter the likelihood that [ Select ] ["sodium", "potassium", "glucose", "calcium", "succinate"] will [ Select ] ["enter", "exit"] the cell through another channel. The coincidence detector in beta cells that allows coordination of response to multiple forms of carbohydrate is a(n) [ Select ] ["receptor", "enzyme", "channel", "cotransporter"] that dictates whether [ Select ] ["potassium", "glucose", "sodium", "fructose"] will [ Select ] ["exit", "enter"] the cell. ultimately it is [ Select ] ["potassium", "calcium", "glucose", "argon", "sodium"] flow through the cell membrane that dictates whether or not insulin will exit the cell via [ Select ] ["symporters", "exocytosis", "channels", "antiporters"]