Which scientist looked closely at cork in 1663, seeing a structure similar to his room at the monastery, and called it a cell?
a. hans janssen
b. robert hooke
c. lorenz oken
d. rudolph virchow

Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?

Which soil would most likely be found in the arctic? andisols gelisols histosols spodosols

Why zebra fish experience similar genetic disease as human