How fast was the planetesimal going in kilometers per hour when it collided with Earth?

The instructions for the genetic traits of an organism are directly determined by the a-numbers of a, t,c and g units in a sugar molecule b-sequence of the bases in dna molecules c-length of a dna molecules d-way the bases are paired in the two strands of a dna molecule

Asmall population of chimpanzees lives in a habitat thant undergoes no change for a long period of time. how will genetic drift affect this population

Donde se encuentra el adn nuclear en un organismo eucariota?