The US Immigration and Nationality Act of 1952, codified under Title 8 of the United States Code, revised the wording concerning Puerto Ricans, granting nationality to persons born in Puerto Rico on or after April 11, 1889 and prior to January 13, 1941
The size a bacterium can reach is being determined by Diffusion. How big the bacterial cell is would decide how slowly nutrients would move from the edge of the bacterium to it's interior.
