Hay cuatro tipos diferentes de nucleótidos de DNA: adenina (A), timina (T), guanina (G), citosina (C).
In the year 1850, Rudolf Virchow was studying cells under a microscope, when he observed that cells were dividing and forming new cells. Realizing what he had observed, he understood that living cells reproduce new cells through division. Basing on his conclusion and realization, Virchow proposed that living cells came only from the other living cells.
You have to measure the distance between them
The following cause that is not
considered in the formation of a Dust Bowl is the lack of farmers in Oklahoma. The
answer is letter B. in fact, the number of farmers increases due to the high
grain prices of Worl War I that encourages farmers to plow millions of acres of
natural grass to plant wheat.
The magnetic field of a bar magnet is the strongest at either pole of the magnet. It is equally strong at the North Pole when compared with the south pole. So I would say the answer is A.