Stem cells are - cells that can only be found in embryos

cells that never go through division

undifferentiated cells with no specific job

cells that grow uncontrollably

Reactants undergo chemical reaction to form products. this chemical equation represents one such reaction. the coefficient for one of the reactants or products is incorrect. which part of the chemical equation is incorrect?

The basic kind of life cycle found in the simplest animals is: haplontic or diplontic

On a spring day, a middle-latitude city (about 40? north latitude) has a surface (sea-level) temperature of 10 ? c. if vertical soundings reveal a nearly constant environmental lapse rate of 6.5 ? c per kilometer and a temperature at the tropopause of –55 ? c, what is the height of the tropopause?