A hydrogen bond can form between a hydrogen atom of one molecule and an atom of another molecule that has
charge.
а ___
negative.
positive.

Rotenone is an insecticide that is toxic

Si el equipo no fuera bueno no con el entrenador.

Cattle with brown fur and cattle with white fur will produce a reddish roan calf . when examined closely, the calf show about an even number of brown hairs and white hairs that give a reddish appearance when viewed from far away. the fact that both the brown fur allele and the white fur allele are expressed equally in the offspring is an example of