Cell communication is critical for the function ofboth unicellular and multicellular eukaryotes.Which of the following is likely true of cellsignaling?(A) Cell signaling uses the highest molecularweight molecules found in living cells.(B) Cell signaling has largely been replaced byother cell functions in higher mammals.(C) Similar cell signaling pathways in diverseeukaryotes are evidence of conservedevolutionary processes.(D) Cell signaling functions mainly during earlydevelopmental stages.
