<span>An oxidation-reduction (redox) reaction is a type of chemical reaction that involves a transfer of electrons between two species. An oxidation-reduction reaction is any chemical reaction in which the oxidation number of a molecule, atom, or ion changes by gaining or losing an electron.</span>
The chromosomes are made up of one long strand of DNA.
Mitosis and/or meiosis is the anwser
The dinosaur of mesozoic era (middle life era) belong to reptile animal group.The period spans from 252 millions ago to 66 millions years ago (the age of reptile.During the jurassic and cretaceaus period dinosaur were used to rule the earth.
