叮叮MM叮皿叮MMDDDDDDDDDDDDDDDDDDDDDDDDDDDD15-16D2DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDmRNADDDDDDDDDDDDcelljunctions:DDDDddcellcoatDDDDDM叮叮叮叮叮叮叮叮叮DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDcellcoatdCMCIglycocalyxDDDDDDcellmunicationMMMMMMMMMMMMMUDDDDDcellrecognitionU叮叮皿叮皿叮皿叮皿叮叮叮叮DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDPSIMM叮皿叮MMAOUA1UFeSUFd叮口CytbfUPCMMPSIMM叮MM叮MM叮皿ATPMMDDDDDDDDDDDDDDIIDDDDDDDDDP680DDDDDDDDDDDDNADP+MMUMM叮叮MM叮叮皿ATPM叮DDDDDD叮叮叮叮MM叮MM叮MM叮皿叮MM叮皿DDDDD叮MM叮MM叮叮DDDDDcytoskeleton叩DDD_DDDDDDD旳DDDDDDD旳旳曲DDDDDDDMTOCDD叮叮MM叮MM叮MM叮DDDDDDDDDDDDDDDDDDDgeneDDDluxurygenesDDDDDDDDDDDDDDDDDDDDDDDDDDDDDCDKp34cdc2DDcyclinregulatorygenecelljunctionscellcoatDDDDDDDDDDDDDcdcDDDCAKDCDKDDDDDHayflick