Playing games also encourages social interaction, as kids learn how to take turns and how to be good winners or losers.

This interaction may play a role in determining tissue tropism and host range.

More importantly, this interaction is now playing a crucial part in excluding the underclass from the mainstream of society.

Protein-protein interactions play a major role in cellular growth and development.

Hence interactions between these galaxies are relatively frequent, and play an important role in their evolution.

This interaction plays an important role in natural system as well as in environmental engineering.

Protein-carbohydrate interactions play an important role in biological function.

In them, interactions plays such an important role that qualitatively new phenomena emerge.

Although typically less energetic by a factor of 10, these weak interactions play an important role in materials synthesis.

As previously discussed, these interactions play a key role in cell migration.