Component	Amount per HeLa Cell	Amount per E. coli cell
Total dry weight	400 pg	0.4 pg
Total DNA	15 pg	0.017 pg
Total RNA	30 pg	0.10 pg
Total protein	300 pg	0.2 pg
Cytoplasmic ribosomes	4 x 106	3 x 104
Cytoplasmic tRNA molecules	6 x 107	4 x 105
Cytoplasmic mRNA molecules	7 x 105	4 x 103