A Typical E

A typical E.coli bacterium is a cylindrical cell about 2 μm long and 1 μm in diameter,weighing about 1.8 × 10^-12 g and containing 80% water by volume.Calculate the number of lipid molecules present,assuming their average molecular weight is 688 g/mol and the lipid content is 1.9%.

A) 8.3 × 10¹⁰
B) 2.1 × 10¹⁰
C) 2.4 × 10⁷
D) 1.6 × 10⁹
E) 3.0 × 10⁷