division oder multiplikation zellen mitose blau - cell division stock-videos und b-roll-filmmaterial00:18
the tobacco problem: what do you think? - part 14 of 28. presents historical perspective and timely data on the smoking habit and health risks. although ad campaigns continue to glamorize smoking, researchers demonstrate that heavy smoking now is known to - cell division stock-videos und b-roll-filmmaterial00:32
life story of the oyster - part 10 of 18. shows how the free-swimming oyster larva develops into an adult attached to objects in shallow waters of the ocean. the film notes the place of this well-known mollusk in the marine food cycle - cell division stock-videos und b-roll-filmmaterial00:30
zellen multiplying oder karyokinese unter mikroskop - cell division stock-videos und b-roll-filmmaterial00:15