303-313 , elsevier , amsterdam ) anticipating that paragonial gland cells might require more ribosomes to accomplish this burst of protein synthesis , we injected 10-day-old adult male flies with either [ 32p ] phosphate or [ 35s ] methionine , allowed them to copulate ( 40 +/- 20 min after injection ) , and then measured the amounts of rrna and ribosomal protein synthesis taking place with time .
C0007634
cells
C0035553
ribosomes